Home / 454,047.65-681,072.33-426,302.69

Finding the Fourth Proportional to 454,047.65, 681,072.33 and 426,302.69

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Solution

The fourth proportional to 454,047.65, 681,072.33 and 426,302.69 is: 639,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,047.65 : 681,072.33 = 426,302.69 : x
  2. Step 2: Convert to fraction form
    454,047.65/681,072.33 = 426,302.69/x
  3. Step 3: Cross multiply
    454,047.65x = 681,072.33 × 426,302.69
  4. Step 4: Simplify right side
    454,047.65x = 290,342,965,573.14
  5. Step 5: Solve for x
    x = 290,342,965,573.14/454,047.65
  6. Step 6: Final answer
    x = 639,454.84

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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.