Home / 788,175.20-1,182,262.80-472,469.60

Finding the Fourth Proportional to 788,175.20, 1,182,262.80 and 472,469.60

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Solution

The fourth proportional to 788,175.20, 1,182,262.80 and 472,469.60 is: 708,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,175.20 : 1,182,262.80 = 472,469.60 : x
  2. Step 2: Convert to fraction form
    788,175.20/1,182,262.80 = 472,469.60/x
  3. Step 3: Cross multiply
    788,175.20x = 1,182,262.80 × 472,469.60
  4. Step 4: Simplify right side
    788,175.20x = 558,583,232,210.88
  5. Step 5: Solve for x
    x = 558,583,232,210.88/788,175.20
  6. Step 6: Final answer
    x = 708,704.40

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Double scale
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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.