Home / 902,350.50-1,245,125.07-539,641.86

Finding the Fourth Proportional to 902,350.50, 1,245,125.07 and 539,641.86

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Solution

The fourth proportional to 902,350.50, 1,245,125.07 and 539,641.86 is: 744,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,350.50 : 1,245,125.07 = 539,641.86 : x
  2. Step 2: Convert to fraction form
    902,350.50/1,245,125.07 = 539,641.86/x
  3. Step 3: Cross multiply
    902,350.50x = 1,245,125.07 × 539,641.86
  4. Step 4: Simplify right side
    902,350.50x = 671,921,608,707.43
  5. Step 5: Solve for x
    x = 671,921,608,707.43/902,350.50
  6. Step 6: Final answer
    x = 744,634.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.