Home / 946,758.43-1,420,150.20-315,672.45

Finding the Fourth Proportional to 946,758.43, 1,420,150.20 and 315,672.45

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Solution

The fourth proportional to 946,758.43, 1,420,150.20 and 315,672.45 is: 473,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,758.43 : 1,420,150.20 = 315,672.45 : x
  2. Step 2: Convert to fraction form
    946,758.43/1,420,150.20 = 315,672.45/x
  3. Step 3: Cross multiply
    946,758.43x = 1,420,150.20 × 315,672.45
  4. Step 4: Simplify right side
    946,758.43x = 448,302,293,001.99
  5. Step 5: Solve for x
    x = 448,302,293,001.99/946,758.43
  6. Step 6: Final answer
    x = 473,512.86

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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.