Home / 811,062.92-1,119,244.64-448,474.73

Finding the Fourth Proportional to 811,062.92, 1,119,244.64 and 448,474.73

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Solution

The fourth proportional to 811,062.92, 1,119,244.64 and 448,474.73 is: 618,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,062.92 : 1,119,244.64 = 448,474.73 : x
  2. Step 2: Convert to fraction form
    811,062.92/1,119,244.64 = 448,474.73/x
  3. Step 3: Cross multiply
    811,062.92x = 1,119,244.64 × 448,474.73
  4. Step 4: Simplify right side
    811,062.92x = 501,952,929,889.35
  5. Step 5: Solve for x
    x = 501,952,929,889.35/811,062.92
  6. Step 6: Final answer
    x = 618,882.85

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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.