Home / 740,266.19-1,110,399.15-403,589.96

Finding the Fourth Proportional to 740,266.19, 1,110,399.15 and 403,589.96

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Solution

The fourth proportional to 740,266.19, 1,110,399.15 and 403,589.96 is: 605,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,266.19 : 1,110,399.15 = 403,589.96 : x
  2. Step 2: Convert to fraction form
    740,266.19/1,110,399.15 = 403,589.96/x
  3. Step 3: Cross multiply
    740,266.19x = 1,110,399.15 × 403,589.96
  4. Step 4: Simplify right side
    740,266.19x = 448,145,946,514.58
  5. Step 5: Solve for x
    x = 448,145,946,514.58/740,266.19
  6. Step 6: Final answer
    x = 605,384.87

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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.