Home / 745,892.60-1,118,348.72-361,539.73

Finding the Fourth Proportional to 745,892.60, 1,118,348.72 and 361,539.73

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Solution

The fourth proportional to 745,892.60, 1,118,348.72 and 361,539.73 is: 542,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,892.60 : 1,118,348.72 = 361,539.73 : x
  2. Step 2: Convert to fraction form
    745,892.60/1,118,348.72 = 361,539.73/x
  3. Step 3: Cross multiply
    745,892.60x = 1,118,348.72 × 361,539.73
  4. Step 4: Simplify right side
    745,892.60x = 404,327,494,108.96
  5. Step 5: Solve for x
    x = 404,327,494,108.96/745,892.60
  6. Step 6: Final answer
    x = 542,072.00

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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.