Home / 484,985.28-669,297.72-267,202.80

Finding the Fourth Proportional to 484,985.28, 669,297.72 and 267,202.80

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Solution

The fourth proportional to 484,985.28, 669,297.72 and 267,202.80 is: 368,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,985.28 : 669,297.72 = 267,202.80 : x
  2. Step 2: Convert to fraction form
    484,985.28/669,297.72 = 267,202.80/x
  3. Step 3: Cross multiply
    484,985.28x = 669,297.72 × 267,202.80
  4. Step 4: Simplify right side
    484,985.28x = 178,838,224,817.62
  5. Step 5: Solve for x
    x = 178,838,224,817.62/484,985.28
  6. Step 6: Final answer
    x = 368,749.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.