Home / 906,376.38-1,358,912.25-426,335.82

Finding the Fourth Proportional to 906,376.38, 1,358,912.25 and 426,335.82

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Solution

The fourth proportional to 906,376.38, 1,358,912.25 and 426,335.82 is: 639,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,376.38 : 1,358,912.25 = 426,335.82 : x
  2. Step 2: Convert to fraction form
    906,376.38/1,358,912.25 = 426,335.82/x
  3. Step 3: Cross multiply
    906,376.38x = 1,358,912.25 × 426,335.82
  4. Step 4: Simplify right side
    906,376.38x = 579,352,968,411.80
  5. Step 5: Solve for x
    x = 579,352,968,411.80/906,376.38
  6. Step 6: Final answer
    x = 639,196.90

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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.