Home / 706,911.60-1,058,812.20-628,114.80

Finding the Fourth Proportional to 706,911.60, 1,058,812.20 and 628,114.80

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Solution

The fourth proportional to 706,911.60, 1,058,812.20 and 628,114.80 is: 940,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,911.60 : 1,058,812.20 = 628,114.80 : x
  2. Step 2: Convert to fraction form
    706,911.60/1,058,812.20 = 628,114.80/x
  3. Step 3: Cross multiply
    706,911.60x = 1,058,812.20 × 628,114.80
  4. Step 4: Simplify right side
    706,911.60x = 665,055,613,240.56
  5. Step 5: Solve for x
    x = 665,055,613,240.56/706,911.60
  6. Step 6: Final answer
    x = 940,790.35

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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.