Home / 391,291.20-539,014.56-333,743.04

Finding the Fourth Proportional to 391,291.20, 539,014.56 and 333,743.04

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Solution

The fourth proportional to 391,291.20, 539,014.56 and 333,743.04 is: 459,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,291.20 : 539,014.56 = 333,743.04 : x
  2. Step 2: Convert to fraction form
    391,291.20/539,014.56 = 333,743.04/x
  3. Step 3: Cross multiply
    391,291.20x = 539,014.56 × 333,743.04
  4. Step 4: Simplify right side
    391,291.20x = 179,892,357,858.66
  5. Step 5: Solve for x
    x = 179,892,357,858.66/391,291.20
  6. Step 6: Final answer
    x = 459,740.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.