Home / 551,272.10-826,908.15-426,856.10

Finding the Fourth Proportional to 551,272.10, 826,908.15 and 426,856.10

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Solution

The fourth proportional to 551,272.10, 826,908.15 and 426,856.10 is: 640,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,272.10 : 826,908.15 = 426,856.10 : x
  2. Step 2: Convert to fraction form
    551,272.10/826,908.15 = 426,856.10/x
  3. Step 3: Cross multiply
    551,272.10x = 826,908.15 × 426,856.10
  4. Step 4: Simplify right side
    551,272.10x = 352,970,787,967.22
  5. Step 5: Solve for x
    x = 352,970,787,967.22/551,272.10
  6. Step 6: Final answer
    x = 640,284.15

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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.