Home / 891,199.80-1,336,209.30-492,031.80

Finding the Fourth Proportional to 891,199.80, 1,336,209.30 and 492,031.80

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Solution

The fourth proportional to 891,199.80, 1,336,209.30 and 492,031.80 is: 737,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,199.80 : 1,336,209.30 = 492,031.80 : x
  2. Step 2: Convert to fraction form
    891,199.80/1,336,209.30 = 492,031.80/x
  3. Step 3: Cross multiply
    891,199.80x = 1,336,209.30 × 492,031.80
  4. Step 4: Simplify right side
    891,199.80x = 657,457,467,055.74
  5. Step 5: Solve for x
    x = 657,457,467,055.74/891,199.80
  6. Step 6: Final answer
    x = 737,721.74

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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.