Home / 739,239.35-1,109,325.42-289,948.22

Finding the Fourth Proportional to 739,239.35, 1,109,325.42 and 289,948.22

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Solution

The fourth proportional to 739,239.35, 1,109,325.42 and 289,948.22 is: 435,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,239.35 : 1,109,325.42 = 289,948.22 : x
  2. Step 2: Convert to fraction form
    739,239.35/1,109,325.42 = 289,948.22/x
  3. Step 3: Cross multiply
    739,239.35x = 1,109,325.42 × 289,948.22
  4. Step 4: Simplify right side
    739,239.35x = 321,646,930,929.75
  5. Step 5: Solve for x
    x = 321,646,930,929.75/739,239.35
  6. Step 6: Final answer
    x = 435,105.26

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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.