Home / 845,195.31-1,267,760.16-339,604.65

Finding the Fourth Proportional to 845,195.31, 1,267,760.16 and 339,604.65

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Solution

The fourth proportional to 845,195.31, 1,267,760.16 and 339,604.65 is: 509,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,195.31 : 1,267,760.16 = 339,604.65 : x
  2. Step 2: Convert to fraction form
    845,195.31/1,267,760.16 = 339,604.65/x
  3. Step 3: Cross multiply
    845,195.31x = 1,267,760.16 × 339,604.65
  4. Step 4: Simplify right side
    845,195.31x = 430,537,245,420.74
  5. Step 5: Solve for x
    x = 430,537,245,420.74/845,195.31
  6. Step 6: Final answer
    x = 509,393.79

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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.