Home / 775,874.85-1,070,498.07-453,664.14

Finding the Fourth Proportional to 775,874.85, 1,070,498.07 and 453,664.14

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Solution

The fourth proportional to 775,874.85, 1,070,498.07 and 453,664.14 is: 625,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,874.85 : 1,070,498.07 = 453,664.14 : x
  2. Step 2: Convert to fraction form
    775,874.85/1,070,498.07 = 453,664.14/x
  3. Step 3: Cross multiply
    775,874.85x = 1,070,498.07 × 453,664.14
  4. Step 4: Simplify right side
    775,874.85x = 485,646,586,298.21
  5. Step 5: Solve for x
    x = 485,646,586,298.21/775,874.85
  6. Step 6: Final answer
    x = 625,934.18

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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.