Home / 518,590.80-777,575.04-202,671.36

Finding the Fourth Proportional to 518,590.80, 777,575.04 and 202,671.36

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Solution

The fourth proportional to 518,590.80, 777,575.04 and 202,671.36 is: 303,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,590.80 : 777,575.04 = 202,671.36 : x
  2. Step 2: Convert to fraction form
    518,590.80/777,575.04 = 202,671.36/x
  3. Step 3: Cross multiply
    518,590.80x = 777,575.04 × 202,671.36
  4. Step 4: Simplify right side
    518,590.80x = 157,592,190,858.85
  5. Step 5: Solve for x
    x = 157,592,190,858.85/518,590.80
  6. Step 6: Final answer
    x = 303,885.44

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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.