Home / 803,728.66-1,109,141.65-441,158.69

Finding the Fourth Proportional to 803,728.66, 1,109,141.65 and 441,158.69

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Solution

The fourth proportional to 803,728.66, 1,109,141.65 and 441,158.69 is: 608,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,728.66 : 1,109,141.65 = 441,158.69 : x
  2. Step 2: Convert to fraction form
    803,728.66/1,109,141.65 = 441,158.69/x
  3. Step 3: Cross multiply
    803,728.66x = 1,109,141.65 × 441,158.69
  4. Step 4: Simplify right side
    803,728.66x = 489,307,477,338.44
  5. Step 5: Solve for x
    x = 489,307,477,338.44/803,728.66
  6. Step 6: Final answer
    x = 608,796.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.