Home / 706,917.10-1,058,820.45-628,120.30

Finding the Fourth Proportional to 706,917.10, 1,058,820.45 and 628,120.30

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Solution

The fourth proportional to 706,917.10, 1,058,820.45 and 628,120.30 is: 940,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,917.10 : 1,058,820.45 = 628,120.30 : x
  2. Step 2: Convert to fraction form
    706,917.10/1,058,820.45 = 628,120.30/x
  3. Step 3: Cross multiply
    706,917.10x = 1,058,820.45 × 628,120.30
  4. Step 4: Simplify right side
    706,917.10x = 665,066,618,700.14
  5. Step 5: Solve for x
    x = 665,066,618,700.14/706,917.10
  6. Step 6: Final answer
    x = 940,798.60

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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.