Home / 427,681.20-589,967.24-274,743.45

Finding the Fourth Proportional to 427,681.20, 589,967.24 and 274,743.45

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Solution

The fourth proportional to 427,681.20, 589,967.24 and 274,743.45 is: 378,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,681.20 : 589,967.24 = 274,743.45 : x
  2. Step 2: Convert to fraction form
    427,681.20/589,967.24 = 274,743.45/x
  3. Step 3: Cross multiply
    427,681.20x = 589,967.24 × 274,743.45
  4. Step 4: Simplify right side
    427,681.20x = 162,089,633,530.86
  5. Step 5: Solve for x
    x = 162,089,633,530.86/427,681.20
  6. Step 6: Final answer
    x = 378,996.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.