Home / 631,046.02-870,878.79-344,592.70

Finding the Fourth Proportional to 631,046.02, 870,878.79 and 344,592.70

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Solution

The fourth proportional to 631,046.02, 870,878.79 and 344,592.70 is: 475,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,046.02 : 870,878.79 = 344,592.70 : x
  2. Step 2: Convert to fraction form
    631,046.02/870,878.79 = 344,592.70/x
  3. Step 3: Cross multiply
    631,046.02x = 870,878.79 × 344,592.70
  4. Step 4: Simplify right side
    631,046.02x = 300,098,473,618.83
  5. Step 5: Solve for x
    x = 300,098,473,618.83/631,046.02
  6. Step 6: Final answer
    x = 475,557.19

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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.