Home / 747,515.29-1,120,774.69-363,161.66

Finding the Fourth Proportional to 747,515.29, 1,120,774.69 and 363,161.66

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Solution

The fourth proportional to 747,515.29, 1,120,774.69 and 363,161.66 is: 544,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,515.29 : 1,120,774.69 = 363,161.66 : x
  2. Step 2: Convert to fraction form
    747,515.29/1,120,774.69 = 363,161.66/x
  3. Step 3: Cross multiply
    747,515.29x = 1,120,774.69 × 363,161.66
  4. Step 4: Simplify right side
    747,515.29x = 407,022,395,959.37
  5. Step 5: Solve for x
    x = 407,022,395,959.37/747,515.29
  6. Step 6: Final answer
    x = 544,500.43

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Double scale
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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.