Home / 712,558.71-983,331.96-385,872.27

Finding the Fourth Proportional to 712,558.71, 983,331.96 and 385,872.27

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Solution

The fourth proportional to 712,558.71, 983,331.96 and 385,872.27 is: 532,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,558.71 : 983,331.96 = 385,872.27 : x
  2. Step 2: Convert to fraction form
    712,558.71/983,331.96 = 385,872.27/x
  3. Step 3: Cross multiply
    712,558.71x = 983,331.96 × 385,872.27
  4. Step 4: Simplify right side
    712,558.71x = 379,440,535,568.75
  5. Step 5: Solve for x
    x = 379,440,535,568.75/712,558.71
  6. Step 6: Final answer
    x = 532,504.24

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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.