Home / 720,475.23-1,080,734.72-247,153.75

Finding the Fourth Proportional to 720,475.23, 1,080,734.72 and 247,153.75

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Solution

The fourth proportional to 720,475.23, 1,080,734.72 and 247,153.75 is: 370,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,475.23 : 1,080,734.72 = 247,153.75 : x
  2. Step 2: Convert to fraction form
    720,475.23/1,080,734.72 = 247,153.75/x
  3. Step 3: Cross multiply
    720,475.23x = 1,080,734.72 × 247,153.75
  4. Step 4: Simplify right side
    720,475.23x = 267,107,638,803.20
  5. Step 5: Solve for x
    x = 267,107,638,803.20/720,475.23
  6. Step 6: Final answer
    x = 370,738.13

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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.