Home / 631,035.62-870,387.28-426,996.73

Finding the Fourth Proportional to 631,035.62, 870,387.28 and 426,996.73

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Solution

The fourth proportional to 631,035.62, 870,387.28 and 426,996.73 is: 588,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,035.62 : 870,387.28 = 426,996.73 : x
  2. Step 2: Convert to fraction form
    631,035.62/870,387.28 = 426,996.73/x
  3. Step 3: Cross multiply
    631,035.62x = 870,387.28 × 426,996.73
  4. Step 4: Simplify right side
    631,035.62x = 371,652,522,393.59
  5. Step 5: Solve for x
    x = 371,652,522,393.59/631,035.62
  6. Step 6: Final answer
    x = 588,956.49

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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.