Home / 980,497.66-1,353,213.18-550,777.66

Finding the Fourth Proportional to 980,497.66, 1,353,213.18 and 550,777.66

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Solution

The fourth proportional to 980,497.66, 1,353,213.18 and 550,777.66 is: 760,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,497.66 : 1,353,213.18 = 550,777.66 : x
  2. Step 2: Convert to fraction form
    980,497.66/1,353,213.18 = 550,777.66/x
  3. Step 3: Cross multiply
    980,497.66x = 1,353,213.18 × 550,777.66
  4. Step 4: Simplify right side
    980,497.66x = 745,319,588,761.56
  5. Step 5: Solve for x
    x = 745,319,588,761.56/980,497.66
  6. Step 6: Final answer
    x = 760,144.18

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1.5x scale

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.