Home / 788,163.20-1,182,244.80-472,457.60

Finding the Fourth Proportional to 788,163.20, 1,182,244.80 and 472,457.60

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Solution

The fourth proportional to 788,163.20, 1,182,244.80 and 472,457.60 is: 708,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,163.20 : 1,182,244.80 = 472,457.60 : x
  2. Step 2: Convert to fraction form
    788,163.20/1,182,244.80 = 472,457.60/x
  3. Step 3: Cross multiply
    788,163.20x = 1,182,244.80 × 472,457.60
  4. Step 4: Simplify right side
    788,163.20x = 558,560,540,820.48
  5. Step 5: Solve for x
    x = 558,560,540,820.48/788,163.20
  6. Step 6: Final answer
    x = 708,686.40

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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.