Home / 869,352.80-1,304,029.20-729,384.80

Finding the Fourth Proportional to 869,352.80, 1,304,029.20 and 729,384.80

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Solution

The fourth proportional to 869,352.80, 1,304,029.20 and 729,384.80 is: 1,094,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,352.80 : 1,304,029.20 = 729,384.80 : x
  2. Step 2: Convert to fraction form
    869,352.80/1,304,029.20 = 729,384.80/x
  3. Step 3: Cross multiply
    869,352.80x = 1,304,029.20 × 729,384.80
  4. Step 4: Simplify right side
    869,352.80x = 951,139,077,236.16
  5. Step 5: Solve for x
    x = 951,139,077,236.16/869,352.80
  6. Step 6: Final answer
    x = 1,094,077.20

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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.