Home / 589,317.20-884,040.60-215,421.20

Finding the Fourth Proportional to 589,317.20, 884,040.60 and 215,421.20

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Solution

The fourth proportional to 589,317.20, 884,040.60 and 215,421.20 is: 323,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,317.20 : 884,040.60 = 215,421.20 : x
  2. Step 2: Convert to fraction form
    589,317.20/884,040.60 = 215,421.20/x
  3. Step 3: Cross multiply
    589,317.20x = 884,040.60 × 215,421.20
  4. Step 4: Simplify right side
    589,317.20x = 190,441,086,900.72
  5. Step 5: Solve for x
    x = 190,441,086,900.72/589,317.20
  6. Step 6: Final answer
    x = 323,155.49

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Similar ratio
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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.