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Finding the Fourth Proportional to 435,203.20, 652,804.80 and 360,407.80

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Solution

The fourth proportional to 435,203.20, 652,804.80 and 360,407.80 is: 540,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,203.20 : 652,804.80 = 360,407.80 : x
  2. Step 2: Convert to fraction form
    435,203.20/652,804.80 = 360,407.80/x
  3. Step 3: Cross multiply
    435,203.20x = 652,804.80 × 360,407.80
  4. Step 4: Simplify right side
    435,203.20x = 235,275,941,797.44
  5. Step 5: Solve for x
    x = 235,275,941,797.44/435,203.20
  6. Step 6: Final answer
    x = 540,611.70

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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.