Home / 768,899.16-1,153,380.16-263,807.46

Finding the Fourth Proportional to 768,899.16, 1,153,380.16 and 263,807.46

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Solution

The fourth proportional to 768,899.16, 1,153,380.16 and 263,807.46 is: 395,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,899.16 : 1,153,380.16 = 263,807.46 : x
  2. Step 2: Convert to fraction form
    768,899.16/1,153,380.16 = 263,807.46/x
  3. Step 3: Cross multiply
    768,899.16x = 1,153,380.16 × 263,807.46
  4. Step 4: Simplify right side
    768,899.16x = 304,270,290,423.99
  5. Step 5: Solve for x
    x = 304,270,290,423.99/768,899.16
  6. Step 6: Final answer
    x = 395,721.97

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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.