Home / 658,631.39-908,899.47-372,145.32

Finding the Fourth Proportional to 658,631.39, 908,899.47 and 372,145.32

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Solution

The fourth proportional to 658,631.39, 908,899.47 and 372,145.32 is: 513,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,631.39 : 908,899.47 = 372,145.32 : x
  2. Step 2: Convert to fraction form
    658,631.39/908,899.47 = 372,145.32/x
  3. Step 3: Cross multiply
    658,631.39x = 908,899.47 × 372,145.32
  4. Step 4: Simplify right side
    658,631.39x = 338,242,684,110.98
  5. Step 5: Solve for x
    x = 338,242,684,110.98/658,631.39
  6. Step 6: Final answer
    x = 513,553.85

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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.