Home / 723,974.10-1,086,479.55-303,551.70

Finding the Fourth Proportional to 723,974.10, 1,086,479.55 and 303,551.70

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Solution

The fourth proportional to 723,974.10, 1,086,479.55 and 303,551.70 is: 455,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,974.10 : 1,086,479.55 = 303,551.70 : x
  2. Step 2: Convert to fraction form
    723,974.10/1,086,479.55 = 303,551.70/x
  3. Step 3: Cross multiply
    723,974.10x = 1,086,479.55 × 303,551.70
  4. Step 4: Simplify right side
    723,974.10x = 329,802,714,417.74
  5. Step 5: Solve for x
    x = 329,802,714,417.74/723,974.10
  6. Step 6: Final answer
    x = 455,544.91

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Double scale
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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.