Home / 498,020.13-747,218.82-298,483.72

Finding the Fourth Proportional to 498,020.13, 747,218.82 and 298,483.72

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Solution

The fourth proportional to 498,020.13, 747,218.82 and 298,483.72 is: 447,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,020.13 : 747,218.82 = 298,483.72 : x
  2. Step 2: Convert to fraction form
    498,020.13/747,218.82 = 298,483.72/x
  3. Step 3: Cross multiply
    498,020.13x = 747,218.82 × 298,483.72
  4. Step 4: Simplify right side
    498,020.13x = 223,032,652,298.88
  5. Step 5: Solve for x
    x = 223,032,652,298.88/498,020.13
  6. Step 6: Final answer
    x = 447,838.63

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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.