Home / 948,235.40-1,422,354.54-387,269.90

Finding the Fourth Proportional to 948,235.40, 1,422,354.54 and 387,269.90

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Solution

The fourth proportional to 948,235.40, 1,422,354.54 and 387,269.90 is: 580,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,235.40 : 1,422,354.54 = 387,269.90 : x
  2. Step 2: Convert to fraction form
    948,235.40/1,422,354.54 = 387,269.90/x
  3. Step 3: Cross multiply
    948,235.40x = 1,422,354.54 × 387,269.90
  4. Step 4: Simplify right side
    948,235.40x = 550,835,100,470.35
  5. Step 5: Solve for x
    x = 550,835,100,470.35/948,235.40
  6. Step 6: Final answer
    x = 580,905.44

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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.