Home / 891,115.80-1,335,689.55-492,042.98

Finding the Fourth Proportional to 891,115.80, 1,335,689.55 and 492,042.98

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Solution

The fourth proportional to 891,115.80, 1,335,689.55 and 492,042.98 is: 737,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,115.80 : 1,335,689.55 = 492,042.98 : x
  2. Step 2: Convert to fraction form
    891,115.80/1,335,689.55 = 492,042.98/x
  3. Step 3: Cross multiply
    891,115.80x = 1,335,689.55 × 492,042.98
  4. Step 4: Simplify right side
    891,115.80x = 657,216,659,858.41
  5. Step 5: Solve for x
    x = 657,216,659,858.41/891,115.80
  6. Step 6: Final answer
    x = 737,521.05

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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.