Home / 768,592.26-1,152,930.36-319,358.55

Finding the Fourth Proportional to 768,592.26, 1,152,930.36 and 319,358.55

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Solution

The fourth proportional to 768,592.26, 1,152,930.36 and 319,358.55 is: 479,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,592.26 : 1,152,930.36 = 319,358.55 : x
  2. Step 2: Convert to fraction form
    768,592.26/1,152,930.36 = 319,358.55/x
  3. Step 3: Cross multiply
    768,592.26x = 1,152,930.36 × 319,358.55
  4. Step 4: Simplify right side
    768,592.26x = 368,198,168,020.58
  5. Step 5: Solve for x
    x = 368,198,168,020.58/768,592.26
  6. Step 6: Final answer
    x = 479,055.26

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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.