Home / 434,747.40-652,121.10-245,790.60

Finding the Fourth Proportional to 434,747.40, 652,121.10 and 245,790.60

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Solution

The fourth proportional to 434,747.40, 652,121.10 and 245,790.60 is: 368,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,747.40 : 652,121.10 = 245,790.60 : x
  2. Step 2: Convert to fraction form
    434,747.40/652,121.10 = 245,790.60/x
  3. Step 3: Cross multiply
    434,747.40x = 652,121.10 × 245,790.60
  4. Step 4: Simplify right side
    434,747.40x = 160,285,236,441.66
  5. Step 5: Solve for x
    x = 160,285,236,441.66/434,747.40
  6. Step 6: Final answer
    x = 368,685.90

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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.