Home / 797,983.70-1,101,381.39-487,939.29

Finding the Fourth Proportional to 797,983.70, 1,101,381.39 and 487,939.29

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Solution

The fourth proportional to 797,983.70, 1,101,381.39 and 487,939.29 is: 673,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,983.70 : 1,101,381.39 = 487,939.29 : x
  2. Step 2: Convert to fraction form
    797,983.70/1,101,381.39 = 487,939.29/x
  3. Step 3: Cross multiply
    797,983.70x = 1,101,381.39 × 487,939.29
  4. Step 4: Simplify right side
    797,983.70x = 537,407,253,455.81
  5. Step 5: Solve for x
    x = 537,407,253,455.81/797,983.70
  6. Step 6: Final answer
    x = 673,456.43

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1.5x scale

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.