Home / 762,818.06-1,052,702.26-418,686.17

Finding the Fourth Proportional to 762,818.06, 1,052,702.26 and 418,686.17

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Solution

The fourth proportional to 762,818.06, 1,052,702.26 and 418,686.17 is: 577,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,818.06 : 1,052,702.26 = 418,686.17 : x
  2. Step 2: Convert to fraction form
    762,818.06/1,052,702.26 = 418,686.17/x
  3. Step 3: Cross multiply
    762,818.06x = 1,052,702.26 × 418,686.17
  4. Step 4: Simplify right side
    762,818.06x = 440,751,871,079.52
  5. Step 5: Solve for x
    x = 440,751,871,079.52/762,818.06
  6. Step 6: Final answer
    x = 577,794.23

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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.