Home / 631,063.62-870,980.04-372,929.58

Finding the Fourth Proportional to 631,063.62, 870,980.04 and 372,929.58

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Solution

The fourth proportional to 631,063.62, 870,980.04 and 372,929.58 is: 514,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,063.62 : 870,980.04 = 372,929.58 : x
  2. Step 2: Convert to fraction form
    631,063.62/870,980.04 = 372,929.58/x
  3. Step 3: Cross multiply
    631,063.62x = 870,980.04 × 372,929.58
  4. Step 4: Simplify right side
    631,063.62x = 324,814,220,505.58
  5. Step 5: Solve for x
    x = 324,814,220,505.58/631,063.62
  6. Step 6: Final answer
    x = 514,709.15

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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.