Home / 739,207.09-1,109,233.46-289,968.13

Finding the Fourth Proportional to 739,207.09, 1,109,233.46 and 289,968.13

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Solution

The fourth proportional to 739,207.09, 1,109,233.46 and 289,968.13 is: 435,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,207.09 : 1,109,233.46 = 289,968.13 : x
  2. Step 2: Convert to fraction form
    739,207.09/1,109,233.46 = 289,968.13/x
  3. Step 3: Cross multiply
    739,207.09x = 1,109,233.46 × 289,968.13
  4. Step 4: Simplify right side
    739,207.09x = 321,642,352,129.63
  5. Step 5: Solve for x
    x = 321,642,352,129.63/739,207.09
  6. Step 6: Final answer
    x = 435,118.06

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Double scale
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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.