Home / 776,147.57-1,164,221.66-349,184.78

Finding the Fourth Proportional to 776,147.57, 1,164,221.66 and 349,184.78

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Solution

The fourth proportional to 776,147.57, 1,164,221.66 and 349,184.78 is: 523,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,147.57 : 1,164,221.66 = 349,184.78 : x
  2. Step 2: Convert to fraction form
    776,147.57/1,164,221.66 = 349,184.78/x
  3. Step 3: Cross multiply
    776,147.57x = 1,164,221.66 × 349,184.78
  4. Step 4: Simplify right side
    776,147.57x = 406,528,482,472.41
  5. Step 5: Solve for x
    x = 406,528,482,472.41/776,147.57
  6. Step 6: Final answer
    x = 523,777.30

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1.5x scale

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.