Home / 813,247.64-1,122,324.90-450,711.08

Finding the Fourth Proportional to 813,247.64, 1,122,324.90 and 450,711.08

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Solution

The fourth proportional to 813,247.64, 1,122,324.90 and 450,711.08 is: 622,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,247.64 : 1,122,324.90 = 450,711.08 : x
  2. Step 2: Convert to fraction form
    813,247.64/1,122,324.90 = 450,711.08/x
  3. Step 3: Cross multiply
    813,247.64x = 1,122,324.90 × 450,711.08
  4. Step 4: Simplify right side
    813,247.64x = 505,844,267,789.89
  5. Step 5: Solve for x
    x = 505,844,267,789.89/813,247.64
  6. Step 6: Final answer
    x = 622,005.21

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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.