Home / 814,919.80-1,124,469.36-452,346.40

Finding the Fourth Proportional to 814,919.80, 1,124,469.36 and 452,346.40

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Solution

The fourth proportional to 814,919.80, 1,124,469.36 and 452,346.40 is: 624,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,919.80 : 1,124,469.36 = 452,346.40 : x
  2. Step 2: Convert to fraction form
    814,919.80/1,124,469.36 = 452,346.40/x
  3. Step 3: Cross multiply
    814,919.80x = 1,124,469.36 × 452,346.40
  4. Step 4: Simplify right side
    814,919.80x = 508,649,666,906.30
  5. Step 5: Solve for x
    x = 508,649,666,906.30/814,919.80
  6. Step 6: Final answer
    x = 624,171.44

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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.