Home / 972,001.60-1,458,002.40-298,077.55

Finding the Fourth Proportional to 972,001.60, 1,458,002.40 and 298,077.55

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Solution

The fourth proportional to 972,001.60, 1,458,002.40 and 298,077.55 is: 447,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,001.60 : 1,458,002.40 = 298,077.55 : x
  2. Step 2: Convert to fraction form
    972,001.60/1,458,002.40 = 298,077.55/x
  3. Step 3: Cross multiply
    972,001.60x = 1,458,002.40 × 298,077.55
  4. Step 4: Simplify right side
    972,001.60x = 434,597,783,286.12
  5. Step 5: Solve for x
    x = 434,597,783,286.12/972,001.60
  6. Step 6: Final answer
    x = 447,116.33

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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.