Home / 528,077.30-792,115.95-329,011.70

Finding the Fourth Proportional to 528,077.30, 792,115.95 and 329,011.70

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Solution

The fourth proportional to 528,077.30, 792,115.95 and 329,011.70 is: 493,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,077.30 : 792,115.95 = 329,011.70 : x
  2. Step 2: Convert to fraction form
    528,077.30/792,115.95 = 329,011.70/x
  3. Step 3: Cross multiply
    528,077.30x = 792,115.95 × 329,011.70
  4. Step 4: Simplify right side
    528,077.30x = 260,615,415,306.62
  5. Step 5: Solve for x
    x = 260,615,415,306.62/528,077.30
  6. Step 6: Final answer
    x = 493,517.55

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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.