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Finding the Fourth Proportional to 545,000.70, 818,883.45 and 484,175.10

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Solution

The fourth proportional to 545,000.70, 818,883.45 and 484,175.10 is: 727,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,000.70 : 818,883.45 = 484,175.10 : x
  2. Step 2: Convert to fraction form
    545,000.70/818,883.45 = 484,175.10/x
  3. Step 3: Cross multiply
    545,000.70x = 818,883.45 × 484,175.10
  4. Step 4: Simplify right side
    545,000.70x = 396,482,976,292.10
  5. Step 5: Solve for x
    x = 396,482,976,292.10/545,000.70
  6. Step 6: Final answer
    x = 727,490.77

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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.