Home / 851,446.76-1,175,005.67-464,259.02

Finding the Fourth Proportional to 851,446.76, 1,175,005.67 and 464,259.02

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Solution

The fourth proportional to 851,446.76, 1,175,005.67 and 464,259.02 is: 640,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,446.76 : 1,175,005.67 = 464,259.02 : x
  2. Step 2: Convert to fraction form
    851,446.76/1,175,005.67 = 464,259.02/x
  3. Step 3: Cross multiply
    851,446.76x = 1,175,005.67 × 464,259.02
  4. Step 4: Simplify right side
    851,446.76x = 545,506,972,652.32
  5. Step 5: Solve for x
    x = 545,506,972,652.32/851,446.76
  6. Step 6: Final answer
    x = 640,682.43

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Double scale
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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.