Home / 555,756.38-766,933.76-314,033.75

Finding the Fourth Proportional to 555,756.38, 766,933.76 and 314,033.75

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Solution

The fourth proportional to 555,756.38, 766,933.76 and 314,033.75 is: 433,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,756.38 : 766,933.76 = 314,033.75 : x
  2. Step 2: Convert to fraction form
    555,756.38/766,933.76 = 314,033.75/x
  3. Step 3: Cross multiply
    555,756.38x = 766,933.76 × 314,033.75
  4. Step 4: Simplify right side
    555,756.38x = 240,843,079,249.56
  5. Step 5: Solve for x
    x = 240,843,079,249.56/555,756.38
  6. Step 6: Final answer
    x = 433,360.89

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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.