Home / 739,380.72-1,020,621.28-575,713.20

Finding the Fourth Proportional to 739,380.72, 1,020,621.28 and 575,713.20

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Solution

The fourth proportional to 739,380.72, 1,020,621.28 and 575,713.20 is: 794,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,380.72 : 1,020,621.28 = 575,713.20 : x
  2. Step 2: Convert to fraction form
    739,380.72/1,020,621.28 = 575,713.20/x
  3. Step 3: Cross multiply
    739,380.72x = 1,020,621.28 × 575,713.20
  4. Step 4: Simplify right side
    739,380.72x = 587,585,143,096.90
  5. Step 5: Solve for x
    x = 587,585,143,096.90/739,380.72
  6. Step 6: Final answer
    x = 794,699.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.