Home / 662,055.52-991,829.84-391,373.26

Finding the Fourth Proportional to 662,055.52, 991,829.84 and 391,373.26

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Solution

The fourth proportional to 662,055.52, 991,829.84 and 391,373.26 is: 586,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,055.52 : 991,829.84 = 391,373.26 : x
  2. Step 2: Convert to fraction form
    662,055.52/991,829.84 = 391,373.26/x
  3. Step 3: Cross multiply
    662,055.52x = 991,829.84 × 391,373.26
  4. Step 4: Simplify right side
    662,055.52x = 388,175,677,846.08
  5. Step 5: Solve for x
    x = 388,175,677,846.08/662,055.52
  6. Step 6: Final answer
    x = 586,318.92

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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.