Home / 710,757.78-1,065,979.49-205,208.84

Finding the Fourth Proportional to 710,757.78, 1,065,979.49 and 205,208.84

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Solution

The fourth proportional to 710,757.78, 1,065,979.49 and 205,208.84 is: 307,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,757.78 : 1,065,979.49 = 205,208.84 : x
  2. Step 2: Convert to fraction form
    710,757.78/1,065,979.49 = 205,208.84/x
  3. Step 3: Cross multiply
    710,757.78x = 1,065,979.49 × 205,208.84
  4. Step 4: Simplify right side
    710,757.78x = 218,748,408,250.75
  5. Step 5: Solve for x
    x = 218,748,408,250.75/710,757.78
  6. Step 6: Final answer
    x = 307,767.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.