Home / 715,814.75-1,073,666.31-416,104.17

Finding the Fourth Proportional to 715,814.75, 1,073,666.31 and 416,104.17

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Solution

The fourth proportional to 715,814.75, 1,073,666.31 and 416,104.17 is: 624,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,814.75 : 1,073,666.31 = 416,104.17 : x
  2. Step 2: Convert to fraction form
    715,814.75/1,073,666.31 = 416,104.17/x
  3. Step 3: Cross multiply
    715,814.75x = 1,073,666.31 × 416,104.17
  4. Step 4: Simplify right side
    715,814.75x = 446,757,023,192.87
  5. Step 5: Solve for x
    x = 446,757,023,192.87/715,814.75
  6. Step 6: Final answer
    x = 624,123.80

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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.