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Finding the Fourth Proportional to 768,522.57, 1,060,557.06 and 446,311.86

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Solution

The fourth proportional to 768,522.57, 1,060,557.06 and 446,311.86 is: 615,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,522.57 : 1,060,557.06 = 446,311.86 : x
  2. Step 2: Convert to fraction form
    768,522.57/1,060,557.06 = 446,311.86/x
  3. Step 3: Cross multiply
    768,522.57x = 1,060,557.06 × 446,311.86
  4. Step 4: Simplify right side
    768,522.57x = 473,339,194,084.73
  5. Step 5: Solve for x
    x = 473,339,194,084.73/768,522.57
  6. Step 6: Final answer
    x = 615,907.99

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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.