Home / 513,577.67-769,949.01-214,281.25

Finding the Fourth Proportional to 513,577.67, 769,949.01 and 214,281.25

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Solution

The fourth proportional to 513,577.67, 769,949.01 and 214,281.25 is: 321,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,577.67 : 769,949.01 = 214,281.25 : x
  2. Step 2: Convert to fraction form
    513,577.67/769,949.01 = 214,281.25/x
  3. Step 3: Cross multiply
    513,577.67x = 769,949.01 × 214,281.25
  4. Step 4: Simplify right side
    513,577.67x = 164,985,634,374.19
  5. Step 5: Solve for x
    x = 164,985,634,374.19/513,577.67
  6. Step 6: Final answer
    x = 321,247.68

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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.