Home / 752,983.55-1,039,117.30-413,451.80

Finding the Fourth Proportional to 752,983.55, 1,039,117.30 and 413,451.80

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Solution

The fourth proportional to 752,983.55, 1,039,117.30 and 413,451.80 is: 570,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,983.55 : 1,039,117.30 = 413,451.80 : x
  2. Step 2: Convert to fraction form
    752,983.55/1,039,117.30 = 413,451.80/x
  3. Step 3: Cross multiply
    752,983.55x = 1,039,117.30 × 413,451.80
  4. Step 4: Simplify right side
    752,983.55x = 429,624,911,866.92
  5. Step 5: Solve for x
    x = 429,624,911,866.92/752,983.55
  6. Step 6: Final answer
    x = 570,563.48

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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.