Home / 498,432.70-747,758.40-245,834.20

Finding the Fourth Proportional to 498,432.70, 747,758.40 and 245,834.20

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Solution

The fourth proportional to 498,432.70, 747,758.40 and 245,834.20 is: 368,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,432.70 : 747,758.40 = 245,834.20 : x
  2. Step 2: Convert to fraction form
    498,432.70/747,758.40 = 245,834.20/x
  3. Step 3: Cross multiply
    498,432.70x = 747,758.40 × 245,834.20
  4. Step 4: Simplify right side
    498,432.70x = 183,824,588,057.28
  5. Step 5: Solve for x
    x = 183,824,588,057.28/498,432.70
  6. Step 6: Final answer
    x = 368,805.23

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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.