Home / 878,634.30-1,317,951.45-524,048.70

Finding the Fourth Proportional to 878,634.30, 1,317,951.45 and 524,048.70

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Solution

The fourth proportional to 878,634.30, 1,317,951.45 and 524,048.70 is: 786,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,634.30 : 1,317,951.45 = 524,048.70 : x
  2. Step 2: Convert to fraction form
    878,634.30/1,317,951.45 = 524,048.70/x
  3. Step 3: Cross multiply
    878,634.30x = 1,317,951.45 × 524,048.70
  4. Step 4: Simplify right side
    878,634.30x = 690,670,744,035.62
  5. Step 5: Solve for x
    x = 690,670,744,035.62/878,634.30
  6. Step 6: Final answer
    x = 786,073.05

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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.