Home / 406,024.80-608,979.60-125,570.40

Finding the Fourth Proportional to 406,024.80, 608,979.60 and 125,570.40

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Solution

The fourth proportional to 406,024.80, 608,979.60 and 125,570.40 is: 188,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,024.80 : 608,979.60 = 125,570.40 : x
  2. Step 2: Convert to fraction form
    406,024.80/608,979.60 = 125,570.40/x
  3. Step 3: Cross multiply
    406,024.80x = 608,979.60 × 125,570.40
  4. Step 4: Simplify right side
    406,024.80x = 76,469,811,963.84
  5. Step 5: Solve for x
    x = 76,469,811,963.84/406,024.80
  6. Step 6: Final answer
    x = 188,337.79

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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.