Home / 709,436.09-1,064,527.82-410,126.88

Finding the Fourth Proportional to 709,436.09, 1,064,527.82 and 410,126.88

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Solution

The fourth proportional to 709,436.09, 1,064,527.82 and 410,126.88 is: 615,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,436.09 : 1,064,527.82 = 410,126.88 : x
  2. Step 2: Convert to fraction form
    709,436.09/1,064,527.82 = 410,126.88/x
  3. Step 3: Cross multiply
    709,436.09x = 1,064,527.82 × 410,126.88
  4. Step 4: Simplify right side
    709,436.09x = 436,591,471,439.17
  5. Step 5: Solve for x
    x = 436,591,471,439.17/709,436.09
  6. Step 6: Final answer
    x = 615,406.34

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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.