Home / 880,103.54-1,320,439.62-407,099.18

Finding the Fourth Proportional to 880,103.54, 1,320,439.62 and 407,099.18

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Solution

The fourth proportional to 880,103.54, 1,320,439.62 and 407,099.18 is: 610,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,103.54 : 1,320,439.62 = 407,099.18 : x
  2. Step 2: Convert to fraction form
    880,103.54/1,320,439.62 = 407,099.18/x
  3. Step 3: Cross multiply
    880,103.54x = 1,320,439.62 × 407,099.18
  4. Step 4: Simplify right side
    880,103.54x = 537,549,886,541.51
  5. Step 5: Solve for x
    x = 537,549,886,541.51/880,103.54
  6. Step 6: Final answer
    x = 610,780.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.