Home / 980,790.32-1,353,452.96-551,088.56

Finding the Fourth Proportional to 980,790.32, 1,353,452.96 and 551,088.56

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Solution

The fourth proportional to 980,790.32, 1,353,452.96 and 551,088.56 is: 760,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,790.32 : 1,353,452.96 = 551,088.56 : x
  2. Step 2: Convert to fraction form
    980,790.32/1,353,452.96 = 551,088.56/x
  3. Step 3: Cross multiply
    980,790.32x = 1,353,452.96 × 551,088.56
  4. Step 4: Simplify right side
    980,790.32x = 745,872,442,754.14
  5. Step 5: Solve for x
    x = 745,872,442,754.14/980,790.32
  6. Step 6: Final answer
    x = 760,481.04

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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.