Home / 768,140.24-1,152,265.73-294,825.60

Finding the Fourth Proportional to 768,140.24, 1,152,265.73 and 294,825.60

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Solution

The fourth proportional to 768,140.24, 1,152,265.73 and 294,825.60 is: 442,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,140.24 : 1,152,265.73 = 294,825.60 : x
  2. Step 2: Convert to fraction form
    768,140.24/1,152,265.73 = 294,825.60/x
  3. Step 3: Cross multiply
    768,140.24x = 1,152,265.73 × 294,825.60
  4. Step 4: Simplify right side
    768,140.24x = 339,717,438,612.69
  5. Step 5: Solve for x
    x = 339,717,438,612.69/768,140.24
  6. Step 6: Final answer
    x = 442,259.65

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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.