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Finding the Fourth Proportional to 880,080.57, 1,214,303.04 and 498,107.34

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Solution

The fourth proportional to 880,080.57, 1,214,303.04 and 498,107.34 is: 687,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,080.57 : 1,214,303.04 = 498,107.34 : x
  2. Step 2: Convert to fraction form
    880,080.57/1,214,303.04 = 498,107.34/x
  3. Step 3: Cross multiply
    880,080.57x = 1,214,303.04 × 498,107.34
  4. Step 4: Simplify right side
    880,080.57x = 604,853,257,208.31
  5. Step 5: Solve for x
    x = 604,853,257,208.31/880,080.57
  6. Step 6: Final answer
    x = 687,270.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.