Home / 814,790.88-1,124,423.64-447,298.20

Finding the Fourth Proportional to 814,790.88, 1,124,423.64 and 447,298.20

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Solution

The fourth proportional to 814,790.88, 1,124,423.64 and 447,298.20 is: 617,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,790.88 : 1,124,423.64 = 447,298.20 : x
  2. Step 2: Convert to fraction form
    814,790.88/1,124,423.64 = 447,298.20/x
  3. Step 3: Cross multiply
    814,790.88x = 1,124,423.64 × 447,298.20
  4. Step 4: Simplify right side
    814,790.88x = 502,952,670,209.45
  5. Step 5: Solve for x
    x = 502,952,670,209.45/814,790.88
  6. Step 6: Final answer
    x = 617,278.23

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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.