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Finding the Fourth Proportional to 650,489.80, 974,352.30 and 539,897.80

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Solution

The fourth proportional to 650,489.80, 974,352.30 and 539,897.80 is: 808,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,489.80 : 974,352.30 = 539,897.80 : x
  2. Step 2: Convert to fraction form
    650,489.80/974,352.30 = 539,897.80/x
  3. Step 3: Cross multiply
    650,489.80x = 974,352.30 × 539,897.80
  4. Step 4: Simplify right side
    650,489.80x = 526,050,663,194.94
  5. Step 5: Solve for x
    x = 526,050,663,194.94/650,489.80
  6. Step 6: Final answer
    x = 808,699.33

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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.