Home / 891,220.80-1,336,240.80-492,052.80

Finding the Fourth Proportional to 891,220.80, 1,336,240.80 and 492,052.80

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Solution

The fourth proportional to 891,220.80, 1,336,240.80 and 492,052.80 is: 737,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,220.80 : 1,336,240.80 = 492,052.80 : x
  2. Step 2: Convert to fraction form
    891,220.80/1,336,240.80 = 492,052.80/x
  3. Step 3: Cross multiply
    891,220.80x = 1,336,240.80 × 492,052.80
  4. Step 4: Simplify right side
    891,220.80x = 657,501,027,114.24
  5. Step 5: Solve for x
    x = 657,501,027,114.24/891,220.80
  6. Step 6: Final answer
    x = 737,753.23

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1.5x scale

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.