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Finding the Fourth Proportional to 544,002.80, 816,004.20 and 486,863.60

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Solution

The fourth proportional to 544,002.80, 816,004.20 and 486,863.60 is: 730,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,002.80 : 816,004.20 = 486,863.60 : x
  2. Step 2: Convert to fraction form
    544,002.80/816,004.20 = 486,863.60/x
  3. Step 3: Cross multiply
    544,002.80x = 816,004.20 × 486,863.60
  4. Step 4: Simplify right side
    544,002.80x = 397,282,742,427.12
  5. Step 5: Solve for x
    x = 397,282,742,427.12/544,002.80
  6. Step 6: Final answer
    x = 730,295.40

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Similar ratio
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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.