Home / 767,363.34-1,151,150.04-261,788.58

Finding the Fourth Proportional to 767,363.34, 1,151,150.04 and 261,788.58

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Solution

The fourth proportional to 767,363.34, 1,151,150.04 and 261,788.58 is: 392,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,363.34 : 1,151,150.04 = 261,788.58 : x
  2. Step 2: Convert to fraction form
    767,363.34/1,151,150.04 = 261,788.58/x
  3. Step 3: Cross multiply
    767,363.34x = 1,151,150.04 × 261,788.58
  4. Step 4: Simplify right side
    767,363.34x = 301,357,934,338.54
  5. Step 5: Solve for x
    x = 301,357,934,338.54/767,363.34
  6. Step 6: Final answer
    x = 392,718.70

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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.