Home / 442,296.08-610,499.87-287,243.18

Finding the Fourth Proportional to 442,296.08, 610,499.87 and 287,243.18

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Solution

The fourth proportional to 442,296.08, 610,499.87 and 287,243.18 is: 396,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,296.08 : 610,499.87 = 287,243.18 : x
  2. Step 2: Convert to fraction form
    442,296.08/610,499.87 = 287,243.18/x
  3. Step 3: Cross multiply
    442,296.08x = 610,499.87 × 287,243.18
  4. Step 4: Simplify right side
    442,296.08x = 175,361,919,559.67
  5. Step 5: Solve for x
    x = 175,361,919,559.67/442,296.08
  6. Step 6: Final answer
    x = 396,480.84

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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.