Home / 747,573.80-1,121,619.90-327,151.40

Finding the Fourth Proportional to 747,573.80, 1,121,619.90 and 327,151.40

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Solution

The fourth proportional to 747,573.80, 1,121,619.90 and 327,151.40 is: 490,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,573.80 : 1,121,619.90 = 327,151.40 : x
  2. Step 2: Convert to fraction form
    747,573.80/1,121,619.90 = 327,151.40/x
  3. Step 3: Cross multiply
    747,573.80x = 1,121,619.90 × 327,151.40
  4. Step 4: Simplify right side
    747,573.80x = 366,939,520,552.86
  5. Step 5: Solve for x
    x = 366,939,520,552.86/747,573.80
  6. Step 6: Final answer
    x = 490,840.53

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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.