Home / 740,026.71-1,109,947.79-207,589.25

Finding the Fourth Proportional to 740,026.71, 1,109,947.79 and 207,589.25

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Solution

The fourth proportional to 740,026.71, 1,109,947.79 and 207,589.25 is: 311,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,026.71 : 1,109,947.79 = 207,589.25 : x
  2. Step 2: Convert to fraction form
    740,026.71/1,109,947.79 = 207,589.25/x
  3. Step 3: Cross multiply
    740,026.71x = 1,109,947.79 × 207,589.25
  4. Step 4: Simplify right side
    740,026.71x = 230,413,232,559.10
  5. Step 5: Solve for x
    x = 230,413,232,559.10/740,026.71
  6. Step 6: Final answer
    x = 311,357.99

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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.