Home / 406,929.38-610,334.64-118,663.56

Finding the Fourth Proportional to 406,929.38, 610,334.64 and 118,663.56

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Solution

The fourth proportional to 406,929.38, 610,334.64 and 118,663.56 is: 177,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,929.38 : 610,334.64 = 118,663.56 : x
  2. Step 2: Convert to fraction form
    406,929.38/610,334.64 = 118,663.56/x
  3. Step 3: Cross multiply
    406,929.38x = 610,334.64 × 118,663.56
  4. Step 4: Simplify right side
    406,929.38x = 72,424,482,365.74
  5. Step 5: Solve for x
    x = 72,424,482,365.74/406,929.38
  6. Step 6: Final answer
    x = 177,978.01

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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.