Home / 770,437.12-1,155,813.29-264,932.42

Finding the Fourth Proportional to 770,437.12, 1,155,813.29 and 264,932.42

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Solution

The fourth proportional to 770,437.12, 1,155,813.29 and 264,932.42 is: 397,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,437.12 : 1,155,813.29 = 264,932.42 : x
  2. Step 2: Convert to fraction form
    770,437.12/1,155,813.29 = 264,932.42/x
  3. Step 3: Cross multiply
    770,437.12x = 1,155,813.29 × 264,932.42
  4. Step 4: Simplify right side
    770,437.12x = 306,212,411,987.86
  5. Step 5: Solve for x
    x = 306,212,411,987.86/770,437.12
  6. Step 6: Final answer
    x = 397,452.83

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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.