Home / 949,686.88-1,310,565.12-519,963.52

Finding the Fourth Proportional to 949,686.88, 1,310,565.12 and 519,963.52

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Solution

The fourth proportional to 949,686.88, 1,310,565.12 and 519,963.52 is: 717,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,686.88 : 1,310,565.12 = 519,963.52 : x
  2. Step 2: Convert to fraction form
    949,686.88/1,310,565.12 = 519,963.52/x
  3. Step 3: Cross multiply
    949,686.88x = 1,310,565.12 × 519,963.52
  4. Step 4: Simplify right side
    949,686.88x = 681,446,052,984.42
  5. Step 5: Solve for x
    x = 681,446,052,984.42/949,686.88
  6. Step 6: Final answer
    x = 717,548.14

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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.