Home / 727,034.90-1,003,161.60-440,388.46

Finding the Fourth Proportional to 727,034.90, 1,003,161.60 and 440,388.46

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Solution

The fourth proportional to 727,034.90, 1,003,161.60 and 440,388.46 is: 607,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,034.90 : 1,003,161.60 = 440,388.46 : x
  2. Step 2: Convert to fraction form
    727,034.90/1,003,161.60 = 440,388.46/x
  3. Step 3: Cross multiply
    727,034.90x = 1,003,161.60 × 440,388.46
  4. Step 4: Simplify right side
    727,034.90x = 441,780,792,155.14
  5. Step 5: Solve for x
    x = 441,780,792,155.14/727,034.90
  6. Step 6: Final answer
    x = 607,647.30

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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.