Home / 791,975.16-1,187,962.11-286,417.71

Finding the Fourth Proportional to 791,975.16, 1,187,962.11 and 286,417.71

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Solution

The fourth proportional to 791,975.16, 1,187,962.11 and 286,417.71 is: 429,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,975.16 : 1,187,962.11 = 286,417.71 : x
  2. Step 2: Convert to fraction form
    791,975.16/1,187,962.11 = 286,417.71/x
  3. Step 3: Cross multiply
    791,975.16x = 1,187,962.11 × 286,417.71
  4. Step 4: Simplify right side
    791,975.16x = 340,253,387,112.97
  5. Step 5: Solve for x
    x = 340,253,387,112.97/791,975.16
  6. Step 6: Final answer
    x = 429,626.34

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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.