Home / 632,786.40-948,628.56-258,570.72

Finding the Fourth Proportional to 632,786.40, 948,628.56 and 258,570.72

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Solution

The fourth proportional to 632,786.40, 948,628.56 and 258,570.72 is: 387,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,786.40 : 948,628.56 = 258,570.72 : x
  2. Step 2: Convert to fraction form
    632,786.40/948,628.56 = 258,570.72/x
  3. Step 3: Cross multiply
    632,786.40x = 948,628.56 × 258,570.72
  4. Step 4: Simplify right side
    632,786.40x = 245,287,569,771.76
  5. Step 5: Solve for x
    x = 245,287,569,771.76/632,786.40
  6. Step 6: Final answer
    x = 387,630.91

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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.