Home / 492,747.12-738,668.70-323,998.20

Finding the Fourth Proportional to 492,747.12, 738,668.70 and 323,998.20

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Solution

The fourth proportional to 492,747.12, 738,668.70 and 323,998.20 is: 485,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,747.12 : 738,668.70 = 323,998.20 : x
  2. Step 2: Convert to fraction form
    492,747.12/738,668.70 = 323,998.20/x
  3. Step 3: Cross multiply
    492,747.12x = 738,668.70 × 323,998.20
  4. Step 4: Simplify right side
    492,747.12x = 239,327,329,196.34
  5. Step 5: Solve for x
    x = 239,327,329,196.34/492,747.12
  6. Step 6: Final answer
    x = 485,700.11

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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.