Home / 756,179.12-1,043,050.42-450,026.90

Finding the Fourth Proportional to 756,179.12, 1,043,050.42 and 450,026.90

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Solution

The fourth proportional to 756,179.12, 1,043,050.42 and 450,026.90 is: 620,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,179.12 : 1,043,050.42 = 450,026.90 : x
  2. Step 2: Convert to fraction form
    756,179.12/1,043,050.42 = 450,026.90/x
  3. Step 3: Cross multiply
    756,179.12x = 1,043,050.42 × 450,026.90
  4. Step 4: Simplify right side
    756,179.12x = 469,400,747,056.30
  5. Step 5: Solve for x
    x = 469,400,747,056.30/756,179.12
  6. Step 6: Final answer
    x = 620,753.38

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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.