Home / 948,171.19-1,422,258.15-387,205.69

Finding the Fourth Proportional to 948,171.19, 1,422,258.15 and 387,205.69

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Solution

The fourth proportional to 948,171.19, 1,422,258.15 and 387,205.69 is: 580,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,171.19 : 1,422,258.15 = 387,205.69 : x
  2. Step 2: Convert to fraction form
    948,171.19/1,422,258.15 = 387,205.69/x
  3. Step 3: Cross multiply
    948,171.19x = 1,422,258.15 × 387,205.69
  4. Step 4: Simplify right side
    948,171.19x = 550,706,444,047.22
  5. Step 5: Solve for x
    x = 550,706,444,047.22/948,171.19
  6. Step 6: Final answer
    x = 580,809.09

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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.