Home / 747,500.40-1,120,485.15-367,837.20

Finding the Fourth Proportional to 747,500.40, 1,120,485.15 and 367,837.20

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Solution

The fourth proportional to 747,500.40, 1,120,485.15 and 367,837.20 is: 551,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,500.40 : 1,120,485.15 = 367,837.20 : x
  2. Step 2: Convert to fraction form
    747,500.40/1,120,485.15 = 367,837.20/x
  3. Step 3: Cross multiply
    747,500.40x = 1,120,485.15 × 367,837.20
  4. Step 4: Simplify right side
    747,500.40x = 412,156,120,217.58
  5. Step 5: Solve for x
    x = 412,156,120,217.58/747,500.40
  6. Step 6: Final answer
    x = 551,379.13

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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.