Home / 550,009.72-824,537.76-212,818.36

Finding the Fourth Proportional to 550,009.72, 824,537.76 and 212,818.36

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Solution

The fourth proportional to 550,009.72, 824,537.76 and 212,818.36 is: 319,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,009.72 : 824,537.76 = 212,818.36 : x
  2. Step 2: Convert to fraction form
    550,009.72/824,537.76 = 212,818.36/x
  3. Step 3: Cross multiply
    550,009.72x = 824,537.76 × 212,818.36
  4. Step 4: Simplify right side
    550,009.72x = 175,476,773,841.27
  5. Step 5: Solve for x
    x = 175,476,773,841.27/550,009.72
  6. Step 6: Final answer
    x = 319,043.04

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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.