Home / 948,177.36-1,422,267.42-387,211.86

Finding the Fourth Proportional to 948,177.36, 1,422,267.42 and 387,211.86

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Solution

The fourth proportional to 948,177.36, 1,422,267.42 and 387,211.86 is: 580,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,177.36 : 1,422,267.42 = 387,211.86 : x
  2. Step 2: Convert to fraction form
    948,177.36/1,422,267.42 = 387,211.86/x
  3. Step 3: Cross multiply
    948,177.36x = 1,422,267.42 × 387,211.86
  4. Step 4: Simplify right side
    948,177.36x = 550,718,813,115.60
  5. Step 5: Solve for x
    x = 550,718,813,115.60/948,177.36
  6. Step 6: Final answer
    x = 580,818.35

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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.