Home / 903,273.01-1,246,514.83-521,299.79

Finding the Fourth Proportional to 903,273.01, 1,246,514.83 and 521,299.79

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Solution

The fourth proportional to 903,273.01, 1,246,514.83 and 521,299.79 is: 719,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,273.01 : 1,246,514.83 = 521,299.79 : x
  2. Step 2: Convert to fraction form
    903,273.01/1,246,514.83 = 521,299.79/x
  3. Step 3: Cross multiply
    903,273.01x = 1,246,514.83 × 521,299.79
  4. Step 4: Simplify right side
    903,273.01x = 649,807,919,110.89
  5. Step 5: Solve for x
    x = 649,807,919,110.89/903,273.01
  6. Step 6: Final answer
    x = 719,392.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.