Home / 666,735.58-1,000,262.54-217,456.93

Finding the Fourth Proportional to 666,735.58, 1,000,262.54 and 217,456.93

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Solution

The fourth proportional to 666,735.58, 1,000,262.54 and 217,456.93 is: 326,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,735.58 : 1,000,262.54 = 217,456.93 : x
  2. Step 2: Convert to fraction form
    666,735.58/1,000,262.54 = 217,456.93/x
  3. Step 3: Cross multiply
    666,735.58x = 1,000,262.54 × 217,456.93
  4. Step 4: Simplify right side
    666,735.58x = 217,514,021,142.40
  5. Step 5: Solve for x
    x = 217,514,021,142.40/666,735.58
  6. Step 6: Final answer
    x = 326,237.31

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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.