Home / 806,664.43-1,210,744.78-407,585.46

Finding the Fourth Proportional to 806,664.43, 1,210,744.78 and 407,585.46

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Solution

The fourth proportional to 806,664.43, 1,210,744.78 and 407,585.46 is: 611,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,664.43 : 1,210,744.78 = 407,585.46 : x
  2. Step 2: Convert to fraction form
    806,664.43/1,210,744.78 = 407,585.46/x
  3. Step 3: Cross multiply
    806,664.43x = 1,210,744.78 × 407,585.46
  4. Step 4: Simplify right side
    806,664.43x = 493,481,967,079.94
  5. Step 5: Solve for x
    x = 493,481,967,079.94/806,664.43
  6. Step 6: Final answer
    x = 611,756.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.