Home / 780,667.59-1,171,005.03-240,917.21

Finding the Fourth Proportional to 780,667.59, 1,171,005.03 and 240,917.21

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Solution

The fourth proportional to 780,667.59, 1,171,005.03 and 240,917.21 is: 361,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,667.59 : 1,171,005.03 = 240,917.21 : x
  2. Step 2: Convert to fraction form
    780,667.59/1,171,005.03 = 240,917.21/x
  3. Step 3: Cross multiply
    780,667.59x = 1,171,005.03 × 240,917.21
  4. Step 4: Simplify right side
    780,667.59x = 282,115,258,868.54
  5. Step 5: Solve for x
    x = 282,115,258,868.54/780,667.59
  6. Step 6: Final answer
    x = 361,376.93

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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.