Home / 498,488.38-747,976.55-308,898.03

Finding the Fourth Proportional to 498,488.38, 747,976.55 and 308,898.03

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Solution

The fourth proportional to 498,488.38, 747,976.55 and 308,898.03 is: 463,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,488.38 : 747,976.55 = 308,898.03 : x
  2. Step 2: Convert to fraction form
    498,488.38/747,976.55 = 308,898.03/x
  3. Step 3: Cross multiply
    498,488.38x = 747,976.55 × 308,898.03
  4. Step 4: Simplify right side
    498,488.38x = 231,048,484,544.26
  5. Step 5: Solve for x
    x = 231,048,484,544.26/498,488.38
  6. Step 6: Final answer
    x = 463,498.24

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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.