Home / 741,737.45-1,023,592.55-402,205.70

Finding the Fourth Proportional to 741,737.45, 1,023,592.55 and 402,205.70

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Solution

The fourth proportional to 741,737.45, 1,023,592.55 and 402,205.70 is: 555,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,737.45 : 1,023,592.55 = 402,205.70 : x
  2. Step 2: Convert to fraction form
    741,737.45/1,023,592.55 = 402,205.70/x
  3. Step 3: Cross multiply
    741,737.45x = 1,023,592.55 × 402,205.70
  4. Step 4: Simplify right side
    741,737.45x = 411,694,758,635.49
  5. Step 5: Solve for x
    x = 411,694,758,635.49/741,737.45
  6. Step 6: Final answer
    x = 555,041.08

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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.