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Finding the Fourth Proportional to 497,439.60, 745,885.80 and 339,846

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Solution

The fourth proportional to 497,439.60, 745,885.80 and 339,846 is: 509,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,439.60 : 745,885.80 = 339,846 : x
  2. Step 2: Convert to fraction form
    497,439.60/745,885.80 = 339,846/x
  3. Step 3: Cross multiply
    497,439.60x = 745,885.80 × 339,846
  4. Step 4: Simplify right side
    497,439.60x = 253,486,305,586.80
  5. Step 5: Solve for x
    x = 253,486,305,586.80/497,439.60
  6. Step 6: Final answer
    x = 509,582.08

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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.