Home / 746,301.29-1,029,884.36-419,614.58

Finding the Fourth Proportional to 746,301.29, 1,029,884.36 and 419,614.58

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Solution

The fourth proportional to 746,301.29, 1,029,884.36 and 419,614.58 is: 579,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,301.29 : 1,029,884.36 = 419,614.58 : x
  2. Step 2: Convert to fraction form
    746,301.29/1,029,884.36 = 419,614.58/x
  3. Step 3: Cross multiply
    746,301.29x = 1,029,884.36 × 419,614.58
  4. Step 4: Simplify right side
    746,301.29x = 432,154,496,793.72
  5. Step 5: Solve for x
    x = 432,154,496,793.72/746,301.29
  6. Step 6: Final answer
    x = 579,061.71

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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.