Home / 498,126.90-747,549.45-198,434.19

Finding the Fourth Proportional to 498,126.90, 747,549.45 and 198,434.19

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Solution

The fourth proportional to 498,126.90, 747,549.45 and 198,434.19 is: 297,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,126.90 : 747,549.45 = 198,434.19 : x
  2. Step 2: Convert to fraction form
    498,126.90/747,549.45 = 198,434.19/x
  3. Step 3: Cross multiply
    498,126.90x = 747,549.45 × 198,434.19
  4. Step 4: Simplify right side
    498,126.90x = 148,339,369,595.70
  5. Step 5: Solve for x
    x = 148,339,369,595.70/498,126.90
  6. Step 6: Final answer
    x = 297,794.34

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1.5x scale

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.