Home / 935,278.20-1,402,917.30-336,258.90

Finding the Fourth Proportional to 935,278.20, 1,402,917.30 and 336,258.90

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Solution

The fourth proportional to 935,278.20, 1,402,917.30 and 336,258.90 is: 504,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,278.20 : 1,402,917.30 = 336,258.90 : x
  2. Step 2: Convert to fraction form
    935,278.20/1,402,917.30 = 336,258.90/x
  3. Step 3: Cross multiply
    935,278.20x = 1,402,917.30 × 336,258.90
  4. Step 4: Simplify right side
    935,278.20x = 471,743,428,088.97
  5. Step 5: Solve for x
    x = 471,743,428,088.97/935,278.20
  6. Step 6: Final answer
    x = 504,388.35

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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.