Home / 765,653.25-1,148,392.32-204,731.49

Finding the Fourth Proportional to 765,653.25, 1,148,392.32 and 204,731.49

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Solution

The fourth proportional to 765,653.25, 1,148,392.32 and 204,731.49 is: 307,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,653.25 : 1,148,392.32 = 204,731.49 : x
  2. Step 2: Convert to fraction form
    765,653.25/1,148,392.32 = 204,731.49/x
  3. Step 3: Cross multiply
    765,653.25x = 1,148,392.32 × 204,731.49
  4. Step 4: Simplify right side
    765,653.25x = 235,112,070,778.16
  5. Step 5: Solve for x
    x = 235,112,070,778.16/765,653.25
  6. Step 6: Final answer
    x = 307,073.82

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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.