Home / 761,377-1,142,083.88-255,944.56

Finding the Fourth Proportional to 761,377, 1,142,083.88 and 255,944.56

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Solution

The fourth proportional to 761,377, 1,142,083.88 and 255,944.56 is: 383,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,377 : 1,142,083.88 = 255,944.56 : x
  2. Step 2: Convert to fraction form
    761,377/1,142,083.88 = 255,944.56/x
  3. Step 3: Cross multiply
    761,377x = 1,142,083.88 × 255,944.56
  4. Step 4: Simplify right side
    761,377x = 292,310,156,149.69
  5. Step 5: Solve for x
    x = 292,310,156,149.69/761,377
  6. Step 6: Final answer
    x = 383,923.02

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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.