Home / 1,108,067.28-1,662,150.69-339,508.67

Finding the Fourth Proportional to 1,108,067.28, 1,662,150.69 and 339,508.67

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Solution

The fourth proportional to 1,108,067.28, 1,662,150.69 and 339,508.67 is: 509,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,067.28 : 1,662,150.69 = 339,508.67 : x
  2. Step 2: Convert to fraction form
    1,108,067.28/1,662,150.69 = 339,508.67/x
  3. Step 3: Cross multiply
    1,108,067.28x = 1,662,150.69 × 339,508.67
  4. Step 4: Simplify right side
    1,108,067.28x = 564,314,570,101.48
  5. Step 5: Solve for x
    x = 564,314,570,101.48/1,108,067.28
  6. Step 6: Final answer
    x = 509,278.25

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Double scale
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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.