Home / 902,432.39-1,245,238.29-539,723.90

Finding the Fourth Proportional to 902,432.39, 1,245,238.29 and 539,723.90

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Solution

The fourth proportional to 902,432.39, 1,245,238.29 and 539,723.90 is: 744,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,432.39 : 1,245,238.29 = 539,723.90 : x
  2. Step 2: Convert to fraction form
    902,432.39/1,245,238.29 = 539,723.90/x
  3. Step 3: Cross multiply
    902,432.39x = 1,245,238.29 × 539,723.90
  4. Step 4: Simplify right side
    902,432.39x = 672,084,860,081.94
  5. Step 5: Solve for x
    x = 672,084,860,081.94/902,432.39
  6. Step 6: Final answer
    x = 744,748.16

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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.