Home / 704,906.20-1,057,359.30-492,329.80

Finding the Fourth Proportional to 704,906.20, 1,057,359.30 and 492,329.80

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Solution

The fourth proportional to 704,906.20, 1,057,359.30 and 492,329.80 is: 738,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,906.20 : 1,057,359.30 = 492,329.80 : x
  2. Step 2: Convert to fraction form
    704,906.20/1,057,359.30 = 492,329.80/x
  3. Step 3: Cross multiply
    704,906.20x = 1,057,359.30 × 492,329.80
  4. Step 4: Simplify right side
    704,906.20x = 520,569,492,697.14
  5. Step 5: Solve for x
    x = 520,569,492,697.14/704,906.20
  6. Step 6: Final answer
    x = 738,494.70

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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.