Home / 721,860.66-1,082,846.88-242,091.18

Finding the Fourth Proportional to 721,860.66, 1,082,846.88 and 242,091.18

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Solution

The fourth proportional to 721,860.66, 1,082,846.88 and 242,091.18 is: 363,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,860.66 : 1,082,846.88 = 242,091.18 : x
  2. Step 2: Convert to fraction form
    721,860.66/1,082,846.88 = 242,091.18/x
  3. Step 3: Cross multiply
    721,860.66x = 1,082,846.88 × 242,091.18
  4. Step 4: Simplify right side
    721,860.66x = 262,147,678,938.52
  5. Step 5: Solve for x
    x = 262,147,678,938.52/721,860.66
  6. Step 6: Final answer
    x = 363,155.51

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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.