Home / 821,545.20-1,133,620.20-458,924.22

Finding the Fourth Proportional to 821,545.20, 1,133,620.20 and 458,924.22

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Solution

The fourth proportional to 821,545.20, 1,133,620.20 and 458,924.22 is: 633,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,545.20 : 1,133,620.20 = 458,924.22 : x
  2. Step 2: Convert to fraction form
    821,545.20/1,133,620.20 = 458,924.22/x
  3. Step 3: Cross multiply
    821,545.20x = 1,133,620.20 × 458,924.22
  4. Step 4: Simplify right side
    821,545.20x = 520,245,766,061.24
  5. Step 5: Solve for x
    x = 520,245,766,061.24/821,545.20
  6. Step 6: Final answer
    x = 633,252.76

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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.