Home / 888,140.55-1,330,679.92-413,853.15

Finding the Fourth Proportional to 888,140.55, 1,330,679.92 and 413,853.15

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Solution

The fourth proportional to 888,140.55, 1,330,679.92 and 413,853.15 is: 620,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,140.55 : 1,330,679.92 = 413,853.15 : x
  2. Step 2: Convert to fraction form
    888,140.55/1,330,679.92 = 413,853.15/x
  3. Step 3: Cross multiply
    888,140.55x = 1,330,679.92 × 413,853.15
  4. Step 4: Simplify right side
    888,140.55x = 550,706,076,533.75
  5. Step 5: Solve for x
    x = 550,706,076,533.75/888,140.55
  6. Step 6: Final answer
    x = 620,066.36

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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.