Home / 969,449.85-1,454,839.20-338,363.66

Finding the Fourth Proportional to 969,449.85, 1,454,839.20 and 338,363.66

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Solution

The fourth proportional to 969,449.85, 1,454,839.20 and 338,363.66 is: 507,777.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,449.85 : 1,454,839.20 = 338,363.66 : x
  2. Step 2: Convert to fraction form
    969,449.85/1,454,839.20 = 338,363.66/x
  3. Step 3: Cross multiply
    969,449.85x = 1,454,839.20 × 338,363.66
  4. Step 4: Simplify right side
    969,449.85x = 492,264,714,731.65
  5. Step 5: Solve for x
    x = 492,264,714,731.65/969,449.85
  6. Step 6: Final answer
    x = 507,777.39

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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.