Home / 914,265.18-1,371,678.57-409,251.78

Finding the Fourth Proportional to 914,265.18, 1,371,678.57 and 409,251.78

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Solution

The fourth proportional to 914,265.18, 1,371,678.57 and 409,251.78 is: 614,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,265.18 : 1,371,678.57 = 409,251.78 : x
  2. Step 2: Convert to fraction form
    914,265.18/1,371,678.57 = 409,251.78/x
  3. Step 3: Cross multiply
    914,265.18x = 1,371,678.57 × 409,251.78
  4. Step 4: Simplify right side
    914,265.18x = 561,361,896,360.36
  5. Step 5: Solve for x
    x = 561,361,896,360.36/914,265.18
  6. Step 6: Final answer
    x = 614,003.36

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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.