Home / 913,229.76-1,260,188.64-510,744

Finding the Fourth Proportional to 913,229.76, 1,260,188.64 and 510,744

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Solution

The fourth proportional to 913,229.76, 1,260,188.64 and 510,744 is: 704,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,229.76 : 1,260,188.64 = 510,744 : x
  2. Step 2: Convert to fraction form
    913,229.76/1,260,188.64 = 510,744/x
  3. Step 3: Cross multiply
    913,229.76x = 1,260,188.64 × 510,744
  4. Step 4: Simplify right side
    913,229.76x = 643,633,786,748.16
  5. Step 5: Solve for x
    x = 643,633,786,748.16/913,229.76
  6. Step 6: Final answer
    x = 704,788.45

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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.