Home / 972,179.80-1,457,103.30-498,621.40

Finding the Fourth Proportional to 972,179.80, 1,457,103.30 and 498,621.40

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Solution

The fourth proportional to 972,179.80, 1,457,103.30 and 498,621.40 is: 747,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,179.80 : 1,457,103.30 = 498,621.40 : x
  2. Step 2: Convert to fraction form
    972,179.80/1,457,103.30 = 498,621.40/x
  3. Step 3: Cross multiply
    972,179.80x = 1,457,103.30 × 498,621.40
  4. Step 4: Simplify right side
    972,179.80x = 726,542,887,390.62
  5. Step 5: Solve for x
    x = 726,542,887,390.62/972,179.80
  6. Step 6: Final answer
    x = 747,333.86

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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.