Home / 984,579.45-1,356,864.77-712,185.41

Finding the Fourth Proportional to 984,579.45, 1,356,864.77 and 712,185.41

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Solution

The fourth proportional to 984,579.45, 1,356,864.77 and 712,185.41 is: 981,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,579.45 : 1,356,864.77 = 712,185.41 : x
  2. Step 2: Convert to fraction form
    984,579.45/1,356,864.77 = 712,185.41/x
  3. Step 3: Cross multiply
    984,579.45x = 1,356,864.77 × 712,185.41
  4. Step 4: Simplify right side
    984,579.45x = 966,339,293,703.59
  5. Step 5: Solve for x
    x = 966,339,293,703.59/984,579.45
  6. Step 6: Final answer
    x = 981,474.16

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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.