Home / 902,349.76-1,245,242.66-539,788.90

Finding the Fourth Proportional to 902,349.76, 1,245,242.66 and 539,788.90

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Solution

The fourth proportional to 902,349.76, 1,245,242.66 and 539,788.90 is: 744,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,349.76 : 1,245,242.66 = 539,788.90 : x
  2. Step 2: Convert to fraction form
    902,349.76/1,245,242.66 = 539,788.90/x
  3. Step 3: Cross multiply
    902,349.76x = 1,245,242.66 × 539,788.90
  4. Step 4: Simplify right side
    902,349.76x = 672,168,165,674.47
  5. Step 5: Solve for x
    x = 672,168,165,674.47/902,349.76
  6. Step 6: Final answer
    x = 744,908.68

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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.