Home / 406,001.10-608,724.85-205,935.70

Finding the Fourth Proportional to 406,001.10, 608,724.85 and 205,935.70

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Solution

The fourth proportional to 406,001.10, 608,724.85 and 205,935.70 is: 308,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,001.10 : 608,724.85 = 205,935.70 : x
  2. Step 2: Convert to fraction form
    406,001.10/608,724.85 = 205,935.70/x
  3. Step 3: Cross multiply
    406,001.10x = 608,724.85 × 205,935.70
  4. Step 4: Simplify right side
    406,001.10x = 125,358,178,092.15
  5. Step 5: Solve for x
    x = 125,358,178,092.15/406,001.10
  6. Step 6: Final answer
    x = 308,763.15

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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.