Home / 778,037.72-1,166,775.75-328,793.29

Finding the Fourth Proportional to 778,037.72, 1,166,775.75 and 328,793.29

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Solution

The fourth proportional to 778,037.72, 1,166,775.75 and 328,793.29 is: 493,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,037.72 : 1,166,775.75 = 328,793.29 : x
  2. Step 2: Convert to fraction form
    778,037.72/1,166,775.75 = 328,793.29/x
  3. Step 3: Cross multiply
    778,037.72x = 1,166,775.75 × 328,793.29
  4. Step 4: Simplify right side
    778,037.72x = 383,628,034,617.78
  5. Step 5: Solve for x
    x = 383,628,034,617.78/778,037.72
  6. Step 6: Final answer
    x = 493,071.26

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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.