Home / 984,471.18-1,358,679.79-621,877.56

Finding the Fourth Proportional to 984,471.18, 1,358,679.79 and 621,877.56

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Solution

The fourth proportional to 984,471.18, 1,358,679.79 and 621,877.56 is: 858,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,471.18 : 1,358,679.79 = 621,877.56 : x
  2. Step 2: Convert to fraction form
    984,471.18/1,358,679.79 = 621,877.56/x
  3. Step 3: Cross multiply
    984,471.18x = 1,358,679.79 × 621,877.56
  4. Step 4: Simplify right side
    984,471.18x = 844,932,472,626.51
  5. Step 5: Solve for x
    x = 844,932,472,626.51/984,471.18
  6. Step 6: Final answer
    x = 858,260.24

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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.