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Finding the Fourth Proportional to 560,026.50, 840,310.06 and 275,562.78

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Solution

The fourth proportional to 560,026.50, 840,310.06 and 275,562.78 is: 413,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,026.50 : 840,310.06 = 275,562.78 : x
  2. Step 2: Convert to fraction form
    560,026.50/840,310.06 = 275,562.78/x
  3. Step 3: Cross multiply
    560,026.50x = 840,310.06 × 275,562.78
  4. Step 4: Simplify right side
    560,026.50x = 231,558,176,195.57
  5. Step 5: Solve for x
    x = 231,558,176,195.57/560,026.50
  6. Step 6: Final answer
    x = 413,477.18

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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.