Home / 865,758.20-1,299,293.40-566,139.20

Finding the Fourth Proportional to 865,758.20, 1,299,293.40 and 566,139.20

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Solution

The fourth proportional to 865,758.20, 1,299,293.40 and 566,139.20 is: 849,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,758.20 : 1,299,293.40 = 566,139.20 : x
  2. Step 2: Convert to fraction form
    865,758.20/1,299,293.40 = 566,139.20/x
  3. Step 3: Cross multiply
    865,758.20x = 1,299,293.40 × 566,139.20
  4. Step 4: Simplify right side
    865,758.20x = 735,580,926,041.28
  5. Step 5: Solve for x
    x = 735,580,926,041.28/865,758.20
  6. Step 6: Final answer
    x = 849,637.84

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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.