Home / 768,440.99-1,152,716.84-295,126.35

Finding the Fourth Proportional to 768,440.99, 1,152,716.84 and 295,126.35

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Solution

The fourth proportional to 768,440.99, 1,152,716.84 and 295,126.35 is: 442,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,440.99 : 1,152,716.84 = 295,126.35 : x
  2. Step 2: Convert to fraction form
    768,440.99/1,152,716.84 = 295,126.35/x
  3. Step 3: Cross multiply
    768,440.99x = 1,152,716.84 × 295,126.35
  4. Step 4: Simplify right side
    768,440.99x = 340,197,111,124.69
  5. Step 5: Solve for x
    x = 340,197,111,124.69/768,440.99
  6. Step 6: Final answer
    x = 442,710.78

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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.