Home / 768,022.80-1,152,034.20-436,246.80

Finding the Fourth Proportional to 768,022.80, 1,152,034.20 and 436,246.80

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Solution

The fourth proportional to 768,022.80, 1,152,034.20 and 436,246.80 is: 654,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,022.80 : 1,152,034.20 = 436,246.80 : x
  2. Step 2: Convert to fraction form
    768,022.80/1,152,034.20 = 436,246.80/x
  3. Step 3: Cross multiply
    768,022.80x = 1,152,034.20 × 436,246.80
  4. Step 4: Simplify right side
    768,022.80x = 502,571,233,240.56
  5. Step 5: Solve for x
    x = 502,571,233,240.56/768,022.80
  6. Step 6: Final answer
    x = 654,370.20

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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.