Home / 758,047.10-1,046,105.70-418,515.38

Finding the Fourth Proportional to 758,047.10, 1,046,105.70 and 418,515.38

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Solution

The fourth proportional to 758,047.10, 1,046,105.70 and 418,515.38 is: 577,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,047.10 : 1,046,105.70 = 418,515.38 : x
  2. Step 2: Convert to fraction form
    758,047.10/1,046,105.70 = 418,515.38/x
  3. Step 3: Cross multiply
    758,047.10x = 1,046,105.70 × 418,515.38
  4. Step 4: Simplify right side
    758,047.10x = 437,811,324,555.67
  5. Step 5: Solve for x
    x = 437,811,324,555.67/758,047.10
  6. Step 6: Final answer
    x = 577,551.61

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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.