Home / 735,121.20-1,102,681.80-314,439.60

Finding the Fourth Proportional to 735,121.20, 1,102,681.80 and 314,439.60

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Solution

The fourth proportional to 735,121.20, 1,102,681.80 and 314,439.60 is: 471,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,121.20 : 1,102,681.80 = 314,439.60 : x
  2. Step 2: Convert to fraction form
    735,121.20/1,102,681.80 = 314,439.60/x
  3. Step 3: Cross multiply
    735,121.20x = 1,102,681.80 × 314,439.60
  4. Step 4: Simplify right side
    735,121.20x = 346,726,824,119.28
  5. Step 5: Solve for x
    x = 346,726,824,119.28/735,121.20
  6. Step 6: Final answer
    x = 471,659.40

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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.