Home / 768,439.24-1,152,750.78-235,890.28

Finding the Fourth Proportional to 768,439.24, 1,152,750.78 and 235,890.28

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Solution

The fourth proportional to 768,439.24, 1,152,750.78 and 235,890.28 is: 353,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,439.24 : 1,152,750.78 = 235,890.28 : x
  2. Step 2: Convert to fraction form
    768,439.24/1,152,750.78 = 235,890.28/x
  3. Step 3: Cross multiply
    768,439.24x = 1,152,750.78 × 235,890.28
  4. Step 4: Simplify right side
    768,439.24x = 271,922,704,264.42
  5. Step 5: Solve for x
    x = 271,922,704,264.42/768,439.24
  6. Step 6: Final answer
    x = 353,863.64

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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.