Home / 980,717.46-1,353,316.32-550,913.64

Finding the Fourth Proportional to 980,717.46, 1,353,316.32 and 550,913.64

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Solution

The fourth proportional to 980,717.46, 1,353,316.32 and 550,913.64 is: 760,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,717.46 : 1,353,316.32 = 550,913.64 : x
  2. Step 2: Convert to fraction form
    980,717.46/1,353,316.32 = 550,913.64/x
  3. Step 3: Cross multiply
    980,717.46x = 1,353,316.32 × 550,913.64
  4. Step 4: Simplify right side
    980,717.46x = 745,560,419,922.61
  5. Step 5: Solve for x
    x = 745,560,419,922.61/980,717.46
  6. Step 6: Final answer
    x = 760,219.38

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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.