Home / 914,048.80-1,371,353.28-409,034.88

Finding the Fourth Proportional to 914,048.80, 1,371,353.28 and 409,034.88

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Solution

The fourth proportional to 914,048.80, 1,371,353.28 and 409,034.88 is: 613,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,048.80 : 1,371,353.28 = 409,034.88 : x
  2. Step 2: Convert to fraction form
    914,048.80/1,371,353.28 = 409,034.88/x
  3. Step 3: Cross multiply
    914,048.80x = 1,371,353.28 × 409,034.88
  4. Step 4: Simplify right side
    914,048.80x = 560,931,324,322.41
  5. Step 5: Solve for x
    x = 560,931,324,322.41/914,048.80
  6. Step 6: Final answer
    x = 613,677.66

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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.