Home / 898,616.10-1,347,924.15-478,712.10

Finding the Fourth Proportional to 898,616.10, 1,347,924.15 and 478,712.10

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Solution

The fourth proportional to 898,616.10, 1,347,924.15 and 478,712.10 is: 718,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,616.10 : 1,347,924.15 = 478,712.10 : x
  2. Step 2: Convert to fraction form
    898,616.10/1,347,924.15 = 478,712.10/x
  3. Step 3: Cross multiply
    898,616.10x = 1,347,924.15 × 478,712.10
  4. Step 4: Simplify right side
    898,616.10x = 645,267,600,487.22
  5. Step 5: Solve for x
    x = 645,267,600,487.22/898,616.10
  6. Step 6: Final answer
    x = 718,068.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.