Home / 845,792.20-1,268,392.97-340,222.05

Finding the Fourth Proportional to 845,792.20, 1,268,392.97 and 340,222.05

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Solution

The fourth proportional to 845,792.20, 1,268,392.97 and 340,222.05 is: 510,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,792.20 : 1,268,392.97 = 340,222.05 : x
  2. Step 2: Convert to fraction form
    845,792.20/1,268,392.97 = 340,222.05/x
  3. Step 3: Cross multiply
    845,792.20x = 1,268,392.97 × 340,222.05
  4. Step 4: Simplify right side
    845,792.20x = 431,535,250,117.02
  5. Step 5: Solve for x
    x = 431,535,250,117.02/845,792.20
  6. Step 6: Final answer
    x = 510,214.27

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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.