Home / 775,401.90-1,069,896.51-453,049.74

Finding the Fourth Proportional to 775,401.90, 1,069,896.51 and 453,049.74

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Solution

The fourth proportional to 775,401.90, 1,069,896.51 and 453,049.74 is: 625,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,401.90 : 1,069,896.51 = 453,049.74 : x
  2. Step 2: Convert to fraction form
    775,401.90/1,069,896.51 = 453,049.74/x
  3. Step 3: Cross multiply
    775,401.90x = 1,069,896.51 × 453,049.74
  4. Step 4: Simplify right side
    775,401.90x = 484,716,335,682.41
  5. Step 5: Solve for x
    x = 484,716,335,682.41/775,401.90
  6. Step 6: Final answer
    x = 625,116.26

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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.