Home / 756,178.12-1,043,049.04-450,025.90

Finding the Fourth Proportional to 756,178.12, 1,043,049.04 and 450,025.90

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Solution

The fourth proportional to 756,178.12, 1,043,049.04 and 450,025.90 is: 620,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,178.12 : 1,043,049.04 = 450,025.90 : x
  2. Step 2: Convert to fraction form
    756,178.12/1,043,049.04 = 450,025.90/x
  3. Step 3: Cross multiply
    756,178.12x = 1,043,049.04 × 450,025.90
  4. Step 4: Simplify right side
    756,178.12x = 469,399,082,970.14
  5. Step 5: Solve for x
    x = 469,399,082,970.14/756,178.12
  6. Step 6: Final answer
    x = 620,752.00

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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.