Home / 803,729.81-1,109,143.24-441,159.84

Finding the Fourth Proportional to 803,729.81, 1,109,143.24 and 441,159.84

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Solution

The fourth proportional to 803,729.81, 1,109,143.24 and 441,159.84 is: 608,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,729.81 : 1,109,143.24 = 441,159.84 : x
  2. Step 2: Convert to fraction form
    803,729.81/1,109,143.24 = 441,159.84/x
  3. Step 3: Cross multiply
    803,729.81x = 1,109,143.24 × 441,159.84
  4. Step 4: Simplify right side
    803,729.81x = 489,309,454,295.48
  5. Step 5: Solve for x
    x = 489,309,454,295.48/803,729.81
  6. Step 6: Final answer
    x = 608,798.44

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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.