Home / 972,022.80-1,458,034.20-298,208.10

Finding the Fourth Proportional to 972,022.80, 1,458,034.20 and 298,208.10

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Solution

The fourth proportional to 972,022.80, 1,458,034.20 and 298,208.10 is: 447,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,022.80 : 1,458,034.20 = 298,208.10 : x
  2. Step 2: Convert to fraction form
    972,022.80/1,458,034.20 = 298,208.10/x
  3. Step 3: Cross multiply
    972,022.80x = 1,458,034.20 × 298,208.10
  4. Step 4: Simplify right side
    972,022.80x = 434,797,608,517.02
  5. Step 5: Solve for x
    x = 434,797,608,517.02/972,022.80
  6. Step 6: Final answer
    x = 447,312.15

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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.