Home / 681,626.70-1,022,430.45-307,649.10

Finding the Fourth Proportional to 681,626.70, 1,022,430.45 and 307,649.10

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Solution

The fourth proportional to 681,626.70, 1,022,430.45 and 307,649.10 is: 461,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,626.70 : 1,022,430.45 = 307,649.10 : x
  2. Step 2: Convert to fraction form
    681,626.70/1,022,430.45 = 307,649.10/x
  3. Step 3: Cross multiply
    681,626.70x = 1,022,430.45 × 307,649.10
  4. Step 4: Simplify right side
    681,626.70x = 314,549,807,755.10
  5. Step 5: Solve for x
    x = 314,549,807,755.10/681,626.70
  6. Step 6: Final answer
    x = 461,469.32

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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.