Home / 658,110.80-988,332.60-508,714.40

Finding the Fourth Proportional to 658,110.80, 988,332.60 and 508,714.40

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Solution

The fourth proportional to 658,110.80, 988,332.60 and 508,714.40 is: 763,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,110.80 : 988,332.60 = 508,714.40 : x
  2. Step 2: Convert to fraction form
    658,110.80/988,332.60 = 508,714.40/x
  3. Step 3: Cross multiply
    658,110.80x = 988,332.60 × 508,714.40
  4. Step 4: Simplify right side
    658,110.80x = 502,779,025,609.44
  5. Step 5: Solve for x
    x = 502,779,025,609.44/658,110.80
  6. Step 6: Final answer
    x = 763,973.22

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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.