Home / 745,196.20-1,118,085.90-271,929.40

Finding the Fourth Proportional to 745,196.20, 1,118,085.90 and 271,929.40

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Solution

The fourth proportional to 745,196.20, 1,118,085.90 and 271,929.40 is: 408,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,196.20 : 1,118,085.90 = 271,929.40 : x
  2. Step 2: Convert to fraction form
    745,196.20/1,118,085.90 = 271,929.40/x
  3. Step 3: Cross multiply
    745,196.20x = 1,118,085.90 × 271,929.40
  4. Step 4: Simplify right side
    745,196.20x = 304,040,427,935.46
  5. Step 5: Solve for x
    x = 304,040,427,935.46/745,196.20
  6. Step 6: Final answer
    x = 408,000.51

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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.