Home / 984,890.62-1,359,169.84-555,170.63

Finding the Fourth Proportional to 984,890.62, 1,359,169.84 and 555,170.63

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Solution

The fourth proportional to 984,890.62, 1,359,169.84 and 555,170.63 is: 766,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,890.62 : 1,359,169.84 = 555,170.63 : x
  2. Step 2: Convert to fraction form
    984,890.62/1,359,169.84 = 555,170.63/x
  3. Step 3: Cross multiply
    984,890.62x = 1,359,169.84 × 555,170.63
  4. Step 4: Simplify right side
    984,890.62x = 754,571,176,349.80
  5. Step 5: Solve for x
    x = 754,571,176,349.80/984,890.62
  6. Step 6: Final answer
    x = 766,147.19

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Double scale
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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.