Home / 845,793.20-1,268,394.47-340,223.05

Finding the Fourth Proportional to 845,793.20, 1,268,394.47 and 340,223.05

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Solution

The fourth proportional to 845,793.20, 1,268,394.47 and 340,223.05 is: 510,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,793.20 : 1,268,394.47 = 340,223.05 : x
  2. Step 2: Convert to fraction form
    845,793.20/1,268,394.47 = 340,223.05/x
  3. Step 3: Cross multiply
    845,793.20x = 1,268,394.47 × 340,223.05
  4. Step 4: Simplify right side
    845,793.20x = 431,537,035,186.53
  5. Step 5: Solve for x
    x = 431,537,035,186.53/845,793.20
  6. Step 6: Final answer
    x = 510,215.78

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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.