Home / 779,921.72-1,169,886.83-240,171.33

Finding the Fourth Proportional to 779,921.72, 1,169,886.83 and 240,171.33

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Solution

The fourth proportional to 779,921.72, 1,169,886.83 and 240,171.33 is: 360,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,921.72 : 1,169,886.83 = 240,171.33 : x
  2. Step 2: Convert to fraction form
    779,921.72/1,169,886.83 = 240,171.33/x
  3. Step 3: Cross multiply
    779,921.72x = 1,169,886.83 × 240,171.33
  4. Step 4: Simplify right side
    779,921.72x = 280,973,274,709.73
  5. Step 5: Solve for x
    x = 280,973,274,709.73/779,921.72
  6. Step 6: Final answer
    x = 360,258.30

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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.