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Finding the Fourth Proportional to 498,315.09, 747,445.83 and 245,343.39

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Solution

The fourth proportional to 498,315.09, 747,445.83 and 245,343.39 is: 368,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,315.09 : 747,445.83 = 245,343.39 : x
  2. Step 2: Convert to fraction form
    498,315.09/747,445.83 = 245,343.39/x
  3. Step 3: Cross multiply
    498,315.09x = 747,445.83 × 245,343.39
  4. Step 4: Simplify right side
    498,315.09x = 183,380,893,773.56
  5. Step 5: Solve for x
    x = 183,380,893,773.56/498,315.09
  6. Step 6: Final answer
    x = 368,001.89

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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.