Home / 768,440.65-1,152,716.33-295,126.01

Finding the Fourth Proportional to 768,440.65, 1,152,716.33 and 295,126.01

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Solution

The fourth proportional to 768,440.65, 1,152,716.33 and 295,126.01 is: 442,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,440.65 : 1,152,716.33 = 295,126.01 : x
  2. Step 2: Convert to fraction form
    768,440.65/1,152,716.33 = 295,126.01/x
  3. Step 3: Cross multiply
    768,440.65x = 1,152,716.33 × 295,126.01
  4. Step 4: Simplify right side
    768,440.65x = 340,196,571,134.74
  5. Step 5: Solve for x
    x = 340,196,571,134.74/768,440.65
  6. Step 6: Final answer
    x = 442,710.27

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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.