Home / 771,629.24-1,065,217.38-513,934.76

Finding the Fourth Proportional to 771,629.24, 1,065,217.38 and 513,934.76

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Solution

The fourth proportional to 771,629.24, 1,065,217.38 and 513,934.76 is: 709,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,629.24 : 1,065,217.38 = 513,934.76 : x
  2. Step 2: Convert to fraction form
    771,629.24/1,065,217.38 = 513,934.76/x
  3. Step 3: Cross multiply
    771,629.24x = 1,065,217.38 × 513,934.76
  4. Step 4: Simplify right side
    771,629.24x = 547,452,238,538.13
  5. Step 5: Solve for x
    x = 547,452,238,538.13/771,629.24
  6. Step 6: Final answer
    x = 709,475.76

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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.