Home / 997,512.23-1,496,478.65-323,541.11

Finding the Fourth Proportional to 997,512.23, 1,496,478.65 and 323,541.11

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Solution

The fourth proportional to 997,512.23, 1,496,478.65 and 323,541.11 is: 485,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,512.23 : 1,496,478.65 = 323,541.11 : x
  2. Step 2: Convert to fraction form
    997,512.23/1,496,478.65 = 323,541.11/x
  3. Step 3: Cross multiply
    997,512.23x = 1,496,478.65 × 323,541.11
  4. Step 4: Simplify right side
    997,512.23x = 484,172,354,412.20
  5. Step 5: Solve for x
    x = 484,172,354,412.20/997,512.23
  6. Step 6: Final answer
    x = 485,379.87

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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.