Home / 706,925.60-1,058,833.20-628,128.80

Finding the Fourth Proportional to 706,925.60, 1,058,833.20 and 628,128.80

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Solution

The fourth proportional to 706,925.60, 1,058,833.20 and 628,128.80 is: 940,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,925.60 : 1,058,833.20 = 628,128.80 : x
  2. Step 2: Convert to fraction form
    706,925.60/1,058,833.20 = 628,128.80/x
  3. Step 3: Cross multiply
    706,925.60x = 1,058,833.20 × 628,128.80
  4. Step 4: Simplify right side
    706,925.60x = 665,083,627,316.16
  5. Step 5: Solve for x
    x = 665,083,627,316.16/706,925.60
  6. Step 6: Final answer
    x = 940,811.35

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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.