Home / 451,214.20-676,821.30-400,475.80

Finding the Fourth Proportional to 451,214.20, 676,821.30 and 400,475.80

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Solution

The fourth proportional to 451,214.20, 676,821.30 and 400,475.80 is: 600,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,214.20 : 676,821.30 = 400,475.80 : x
  2. Step 2: Convert to fraction form
    451,214.20/676,821.30 = 400,475.80/x
  3. Step 3: Cross multiply
    451,214.20x = 676,821.30 × 400,475.80
  4. Step 4: Simplify right side
    451,214.20x = 271,050,551,574.54
  5. Step 5: Solve for x
    x = 271,050,551,574.54/451,214.20
  6. Step 6: Final answer
    x = 600,713.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.