Home / 739,279.18-1,109,040.42-226,931.45

Finding the Fourth Proportional to 739,279.18, 1,109,040.42 and 226,931.45

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Solution

The fourth proportional to 739,279.18, 1,109,040.42 and 226,931.45 is: 340,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,279.18 : 1,109,040.42 = 226,931.45 : x
  2. Step 2: Convert to fraction form
    739,279.18/1,109,040.42 = 226,931.45/x
  3. Step 3: Cross multiply
    739,279.18x = 1,109,040.42 × 226,931.45
  4. Step 4: Simplify right side
    739,279.18x = 251,676,150,619.21
  5. Step 5: Solve for x
    x = 251,676,150,619.21/739,279.18
  6. Step 6: Final answer
    x = 340,434.52

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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.