Home / 767,521.92-1,151,285.04-268,769.28

Finding the Fourth Proportional to 767,521.92, 1,151,285.04 and 268,769.28

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Solution

The fourth proportional to 767,521.92, 1,151,285.04 and 268,769.28 is: 403,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,521.92 : 1,151,285.04 = 268,769.28 : x
  2. Step 2: Convert to fraction form
    767,521.92/1,151,285.04 = 268,769.28/x
  3. Step 3: Cross multiply
    767,521.92x = 1,151,285.04 × 268,769.28
  4. Step 4: Simplify right side
    767,521.92x = 309,430,051,275.57
  5. Step 5: Solve for x
    x = 309,430,051,275.57/767,521.92
  6. Step 6: Final answer
    x = 403,154.68

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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.