Home / 774,053.30-1,068,350.78-447,380.20

Finding the Fourth Proportional to 774,053.30, 1,068,350.78 and 447,380.20

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Solution

The fourth proportional to 774,053.30, 1,068,350.78 and 447,380.20 is: 617,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,053.30 : 1,068,350.78 = 447,380.20 : x
  2. Step 2: Convert to fraction form
    774,053.30/1,068,350.78 = 447,380.20/x
  3. Step 3: Cross multiply
    774,053.30x = 1,068,350.78 × 447,380.20
  4. Step 4: Simplify right side
    774,053.30x = 477,958,985,626.56
  5. Step 5: Solve for x
    x = 477,958,985,626.56/774,053.30
  6. Step 6: Final answer
    x = 617,475.55

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Double scale
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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.