Home / 905,164.50-1,358,933.31-606,979.38

Finding the Fourth Proportional to 905,164.50, 1,358,933.31 and 606,979.38

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Solution

The fourth proportional to 905,164.50, 1,358,933.31 and 606,979.38 is: 911,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,164.50 : 1,358,933.31 = 606,979.38 : x
  2. Step 2: Convert to fraction form
    905,164.50/1,358,933.31 = 606,979.38/x
  3. Step 3: Cross multiply
    905,164.50x = 1,358,933.31 × 606,979.38
  4. Step 4: Simplify right side
    905,164.50x = 824,844,497,965.15
  5. Step 5: Solve for x
    x = 824,844,497,965.15/905,164.50
  6. Step 6: Final answer
    x = 911,264.75

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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.