Home / 788,164.20-1,182,246.30-472,458.60

Finding the Fourth Proportional to 788,164.20, 1,182,246.30 and 472,458.60

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Solution

The fourth proportional to 788,164.20, 1,182,246.30 and 472,458.60 is: 708,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,164.20 : 1,182,246.30 = 472,458.60 : x
  2. Step 2: Convert to fraction form
    788,164.20/1,182,246.30 = 472,458.60/x
  3. Step 3: Cross multiply
    788,164.20x = 1,182,246.30 × 472,458.60
  4. Step 4: Simplify right side
    788,164.20x = 558,562,431,753.18
  5. Step 5: Solve for x
    x = 558,562,431,753.18/788,164.20
  6. Step 6: Final answer
    x = 708,687.90

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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.