Home / 880,374.60-1,318,812.30-505,960.20

Finding the Fourth Proportional to 880,374.60, 1,318,812.30 and 505,960.20

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Solution

The fourth proportional to 880,374.60, 1,318,812.30 and 505,960.20 is: 757,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,374.60 : 1,318,812.30 = 505,960.20 : x
  2. Step 2: Convert to fraction form
    880,374.60/1,318,812.30 = 505,960.20/x
  3. Step 3: Cross multiply
    880,374.60x = 1,318,812.30 × 505,960.20
  4. Step 4: Simplify right side
    880,374.60x = 667,266,535,070.46
  5. Step 5: Solve for x
    x = 667,266,535,070.46/880,374.60
  6. Step 6: Final answer
    x = 757,934.79

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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.