Home / 939,540.96-1,409,526.72-407,151.36

Finding the Fourth Proportional to 939,540.96, 1,409,526.72 and 407,151.36

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Solution

The fourth proportional to 939,540.96, 1,409,526.72 and 407,151.36 is: 610,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,540.96 : 1,409,526.72 = 407,151.36 : x
  2. Step 2: Convert to fraction form
    939,540.96/1,409,526.72 = 407,151.36/x
  3. Step 3: Cross multiply
    939,540.96x = 1,409,526.72 × 407,151.36
  4. Step 4: Simplify right side
    939,540.96x = 573,890,721,004.34
  5. Step 5: Solve for x
    x = 573,890,721,004.34/939,540.96
  6. Step 6: Final answer
    x = 610,820.33

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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.