Home / 550,007.72-824,534.77-212,816.36

Finding the Fourth Proportional to 550,007.72, 824,534.77 and 212,816.36

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Solution

The fourth proportional to 550,007.72, 824,534.77 and 212,816.36 is: 319,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,007.72 : 824,534.77 = 212,816.36 : x
  2. Step 2: Convert to fraction form
    550,007.72/824,534.77 = 212,816.36/x
  3. Step 3: Cross multiply
    550,007.72x = 824,534.77 × 212,816.36
  4. Step 4: Simplify right side
    550,007.72x = 175,474,489,774.62
  5. Step 5: Solve for x
    x = 175,474,489,774.62/550,007.72
  6. Step 6: Final answer
    x = 319,040.05

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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.