Home / 763,144.62-1,144,715.85-264,508.62

Finding the Fourth Proportional to 763,144.62, 1,144,715.85 and 264,508.62

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Solution

The fourth proportional to 763,144.62, 1,144,715.85 and 264,508.62 is: 396,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,144.62 : 1,144,715.85 = 264,508.62 : x
  2. Step 2: Convert to fraction form
    763,144.62/1,144,715.85 = 264,508.62/x
  3. Step 3: Cross multiply
    763,144.62x = 1,144,715.85 × 264,508.62
  4. Step 4: Simplify right side
    763,144.62x = 302,787,209,775.63
  5. Step 5: Solve for x
    x = 302,787,209,775.63/763,144.62
  6. Step 6: Final answer
    x = 396,762.56

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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.