Home / 887,915.62-1,225,033.01-543,392.27

Finding the Fourth Proportional to 887,915.62, 1,225,033.01 and 543,392.27

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Solution

The fourth proportional to 887,915.62, 1,225,033.01 and 543,392.27 is: 749,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,915.62 : 1,225,033.01 = 543,392.27 : x
  2. Step 2: Convert to fraction form
    887,915.62/1,225,033.01 = 543,392.27/x
  3. Step 3: Cross multiply
    887,915.62x = 1,225,033.01 × 543,392.27
  4. Step 4: Simplify right side
    887,915.62x = 665,673,472,420.29
  5. Step 5: Solve for x
    x = 665,673,472,420.29/887,915.62
  6. Step 6: Final answer
    x = 749,703.53

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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.