Home / 845,884.20-1,269,110.60-313,448.10

Finding the Fourth Proportional to 845,884.20, 1,269,110.60 and 313,448.10

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Solution

The fourth proportional to 845,884.20, 1,269,110.60 and 313,448.10 is: 470,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,884.20 : 1,269,110.60 = 313,448.10 : x
  2. Step 2: Convert to fraction form
    845,884.20/1,269,110.60 = 313,448.10/x
  3. Step 3: Cross multiply
    845,884.20x = 1,269,110.60 × 313,448.10
  4. Step 4: Simplify right side
    845,884.20x = 397,800,306,259.86
  5. Step 5: Solve for x
    x = 397,800,306,259.86/845,884.20
  6. Step 6: Final answer
    x = 470,277.50

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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.