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Finding the Fourth Proportional to 650,488.80, 974,350.80 and 539,896.80

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Solution

The fourth proportional to 650,488.80, 974,350.80 and 539,896.80 is: 808,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,488.80 : 974,350.80 = 539,896.80 : x
  2. Step 2: Convert to fraction form
    650,488.80/974,350.80 = 539,896.80/x
  3. Step 3: Cross multiply
    650,488.80x = 974,350.80 × 539,896.80
  4. Step 4: Simplify right side
    650,488.80x = 526,048,878,997.44
  5. Step 5: Solve for x
    x = 526,048,878,997.44/650,488.80
  6. Step 6: Final answer
    x = 808,697.83

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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.