Home / 768,140.42-1,152,266.00-294,825.78

Finding the Fourth Proportional to 768,140.42, 1,152,266.00 and 294,825.78

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Solution

The fourth proportional to 768,140.42, 1,152,266.00 and 294,825.78 is: 442,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,140.42 : 1,152,266.00 = 294,825.78 : x
  2. Step 2: Convert to fraction form
    768,140.42/1,152,266.00 = 294,825.78/x
  3. Step 3: Cross multiply
    768,140.42x = 1,152,266.00 × 294,825.78
  4. Step 4: Simplify right side
    768,140.42x = 339,717,723,624.02
  5. Step 5: Solve for x
    x = 339,717,723,624.02/768,140.42
  6. Step 6: Final answer
    x = 442,259.92

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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.