Home / 406,001.12-608,724.89-205,935.74

Finding the Fourth Proportional to 406,001.12, 608,724.89 and 205,935.74

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Solution

The fourth proportional to 406,001.12, 608,724.89 and 205,935.74 is: 308,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,001.12 : 608,724.89 = 205,935.74 : x
  2. Step 2: Convert to fraction form
    406,001.12/608,724.89 = 205,935.74/x
  3. Step 3: Cross multiply
    406,001.12x = 608,724.89 × 205,935.74
  4. Step 4: Simplify right side
    406,001.12x = 125,358,208,149.78
  5. Step 5: Solve for x
    x = 125,358,208,149.78/406,001.12
  6. Step 6: Final answer
    x = 308,763.21

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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.