Home / 473,928.57-653,825.60-330,772.41

Finding the Fourth Proportional to 473,928.57, 653,825.60 and 330,772.41

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Solution

The fourth proportional to 473,928.57, 653,825.60 and 330,772.41 is: 456,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,928.57 : 653,825.60 = 330,772.41 : x
  2. Step 2: Convert to fraction form
    473,928.57/653,825.60 = 330,772.41/x
  3. Step 3: Cross multiply
    473,928.57x = 653,825.60 × 330,772.41
  4. Step 4: Simplify right side
    473,928.57x = 216,267,469,431.70
  5. Step 5: Solve for x
    x = 216,267,469,431.70/473,928.57
  6. Step 6: Final answer
    x = 456,329.25

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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.