Home / 555,208.94-766,190.78-300,560.13

Finding the Fourth Proportional to 555,208.94, 766,190.78 and 300,560.13

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Solution

The fourth proportional to 555,208.94, 766,190.78 and 300,560.13 is: 414,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,208.94 : 766,190.78 = 300,560.13 : x
  2. Step 2: Convert to fraction form
    555,208.94/766,190.78 = 300,560.13/x
  3. Step 3: Cross multiply
    555,208.94x = 766,190.78 × 300,560.13
  4. Step 4: Simplify right side
    555,208.94x = 230,286,398,938.80
  5. Step 5: Solve for x
    x = 230,286,398,938.80/555,208.94
  6. Step 6: Final answer
    x = 414,774.30

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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.