Home / 891,243.80-1,336,275.30-492,075.80

Finding the Fourth Proportional to 891,243.80, 1,336,275.30 and 492,075.80

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Solution

The fourth proportional to 891,243.80, 1,336,275.30 and 492,075.80 is: 737,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,243.80 : 1,336,275.30 = 492,075.80 : x
  2. Step 2: Convert to fraction form
    891,243.80/1,336,275.30 = 492,075.80/x
  3. Step 3: Cross multiply
    891,243.80x = 1,336,275.30 × 492,075.80
  4. Step 4: Simplify right side
    891,243.80x = 657,548,737,267.74
  5. Step 5: Solve for x
    x = 657,548,737,267.74/891,243.80
  6. Step 6: Final answer
    x = 737,787.73

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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.