Home / 722,945.42-1,083,277.53-266,909.55

Finding the Fourth Proportional to 722,945.42, 1,083,277.53 and 266,909.55

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Solution

The fourth proportional to 722,945.42, 1,083,277.53 and 266,909.55 is: 399,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,945.42 : 1,083,277.53 = 266,909.55 : x
  2. Step 2: Convert to fraction form
    722,945.42/1,083,277.53 = 266,909.55/x
  3. Step 3: Cross multiply
    722,945.42x = 1,083,277.53 × 266,909.55
  4. Step 4: Simplify right side
    722,945.42x = 289,137,113,995.12
  5. Step 5: Solve for x
    x = 289,137,113,995.12/722,945.42
  6. Step 6: Final answer
    x = 399,943.21

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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.