Home / 739,349.51-1,109,033.06-259,589.34

Finding the Fourth Proportional to 739,349.51, 1,109,033.06 and 259,589.34

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Solution

The fourth proportional to 739,349.51, 1,109,033.06 and 259,589.34 is: 389,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,349.51 : 1,109,033.06 = 259,589.34 : x
  2. Step 2: Convert to fraction form
    739,349.51/1,109,033.06 = 259,589.34/x
  3. Step 3: Cross multiply
    739,349.51x = 1,109,033.06 × 259,589.34
  4. Step 4: Simplify right side
    739,349.51x = 287,893,158,785.63
  5. Step 5: Solve for x
    x = 287,893,158,785.63/739,349.51
  6. Step 6: Final answer
    x = 389,387.10

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Double scale
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Similar ratio
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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.