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Finding the Fourth Proportional to 456,788.34, 630,351.72 and 252,839.70

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Solution

The fourth proportional to 456,788.34, 630,351.72 and 252,839.70 is: 348,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,788.34 : 630,351.72 = 252,839.70 : x
  2. Step 2: Convert to fraction form
    456,788.34/630,351.72 = 252,839.70/x
  3. Step 3: Cross multiply
    456,788.34x = 630,351.72 × 252,839.70
  4. Step 4: Simplify right side
    456,788.34x = 159,377,939,779.28
  5. Step 5: Solve for x
    x = 159,377,939,779.28/456,788.34
  6. Step 6: Final answer
    x = 348,909.83

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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.