Home / 938,014.56-1,406,726.46-306,781.02

Finding the Fourth Proportional to 938,014.56, 1,406,726.46 and 306,781.02

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Solution

The fourth proportional to 938,014.56, 1,406,726.46 and 306,781.02 is: 460,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,014.56 : 1,406,726.46 = 306,781.02 : x
  2. Step 2: Convert to fraction form
    938,014.56/1,406,726.46 = 306,781.02/x
  3. Step 3: Cross multiply
    938,014.56x = 1,406,726.46 × 306,781.02
  4. Step 4: Simplify right side
    938,014.56x = 431,556,978,259.79
  5. Step 5: Solve for x
    x = 431,556,978,259.79/938,014.56
  6. Step 6: Final answer
    x = 460,074.92

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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.