Home / 531,558.40-797,320.32-215,921.92

Finding the Fourth Proportional to 531,558.40, 797,320.32 and 215,921.92

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Solution

The fourth proportional to 531,558.40, 797,320.32 and 215,921.92 is: 323,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,558.40 : 797,320.32 = 215,921.92 : x
  2. Step 2: Convert to fraction form
    531,558.40/797,320.32 = 215,921.92/x
  3. Step 3: Cross multiply
    531,558.40x = 797,320.32 × 215,921.92
  4. Step 4: Simplify right side
    531,558.40x = 172,158,934,349.41
  5. Step 5: Solve for x
    x = 172,158,934,349.41/531,558.40
  6. Step 6: Final answer
    x = 323,875.86

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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.