Home / 821,363.76-1,229,048.24-484,565.76

Finding the Fourth Proportional to 821,363.76, 1,229,048.24 and 484,565.76

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Solution

The fourth proportional to 821,363.76, 1,229,048.24 and 484,565.76 is: 725,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,363.76 : 1,229,048.24 = 484,565.76 : x
  2. Step 2: Convert to fraction form
    821,363.76/1,229,048.24 = 484,565.76/x
  3. Step 3: Cross multiply
    821,363.76x = 1,229,048.24 × 484,565.76
  4. Step 4: Simplify right side
    821,363.76x = 595,554,692,069.43
  5. Step 5: Solve for x
    x = 595,554,692,069.43/821,363.76
  6. Step 6: Final answer
    x = 725,080.31

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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.