Home / 903,250.40-1,246,540.73-521,301.78

Finding the Fourth Proportional to 903,250.40, 1,246,540.73 and 521,301.78

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Solution

The fourth proportional to 903,250.40, 1,246,540.73 and 521,301.78 is: 719,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,250.40 : 1,246,540.73 = 521,301.78 : x
  2. Step 2: Convert to fraction form
    903,250.40/1,246,540.73 = 521,301.78/x
  3. Step 3: Cross multiply
    903,250.40x = 1,246,540.73 × 521,301.78
  4. Step 4: Simplify right side
    903,250.40x = 649,823,898,784.99
  5. Step 5: Solve for x
    x = 649,823,898,784.99/903,250.40
  6. Step 6: Final answer
    x = 719,428.30

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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.