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Finding the Fourth Proportional to 897,763.17, 1,347,140.46 and 365,658.78

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Solution

The fourth proportional to 897,763.17, 1,347,140.46 and 365,658.78 is: 548,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,763.17 : 1,347,140.46 = 365,658.78 : x
  2. Step 2: Convert to fraction form
    897,763.17/1,347,140.46 = 365,658.78/x
  3. Step 3: Cross multiply
    897,763.17x = 1,347,140.46 × 365,658.78
  4. Step 4: Simplify right side
    897,763.17x = 492,593,737,092.24
  5. Step 5: Solve for x
    x = 492,593,737,092.24/897,763.17
  6. Step 6: Final answer
    x = 548,690.07

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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.