Home / 758,737.72-1,138,080.30-190,123.78

Finding the Fourth Proportional to 758,737.72, 1,138,080.30 and 190,123.78

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Solution

The fourth proportional to 758,737.72, 1,138,080.30 and 190,123.78 is: 285,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,737.72 : 1,138,080.30 = 190,123.78 : x
  2. Step 2: Convert to fraction form
    758,737.72/1,138,080.30 = 190,123.78/x
  3. Step 3: Cross multiply
    758,737.72x = 1,138,080.30 × 190,123.78
  4. Step 4: Simplify right side
    758,737.72x = 216,376,128,579.53
  5. Step 5: Solve for x
    x = 216,376,128,579.53/758,737.72
  6. Step 6: Final answer
    x = 285,179.08

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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.