Home / 763,819.67-1,145,732.04-284,152.66

Finding the Fourth Proportional to 763,819.67, 1,145,732.04 and 284,152.66

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Solution

The fourth proportional to 763,819.67, 1,145,732.04 and 284,152.66 is: 426,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,819.67 : 1,145,732.04 = 284,152.66 : x
  2. Step 2: Convert to fraction form
    763,819.67/1,145,732.04 = 284,152.66/x
  3. Step 3: Cross multiply
    763,819.67x = 1,145,732.04 × 284,152.66
  4. Step 4: Simplify right side
    763,819.67x = 325,562,803,948.90
  5. Step 5: Solve for x
    x = 325,562,803,948.90/763,819.67
  6. Step 6: Final answer
    x = 426,229.93

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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.