Home / 948,235.65-1,422,354.92-387,270.15

Finding the Fourth Proportional to 948,235.65, 1,422,354.92 and 387,270.15

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Solution

The fourth proportional to 948,235.65, 1,422,354.92 and 387,270.15 is: 580,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,235.65 : 1,422,354.92 = 387,270.15 : x
  2. Step 2: Convert to fraction form
    948,235.65/1,422,354.92 = 387,270.15/x
  3. Step 3: Cross multiply
    948,235.65x = 1,422,354.92 × 387,270.15
  4. Step 4: Simplify right side
    948,235.65x = 550,835,603,221.64
  5. Step 5: Solve for x
    x = 550,835,603,221.64/948,235.65
  6. Step 6: Final answer
    x = 580,905.82

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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.