Home / 921,878.26-1,382,959.84-314,524.36

Finding the Fourth Proportional to 921,878.26, 1,382,959.84 and 314,524.36

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Solution

The fourth proportional to 921,878.26, 1,382,959.84 and 314,524.36 is: 471,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,878.26 : 1,382,959.84 = 314,524.36 : x
  2. Step 2: Convert to fraction form
    921,878.26/1,382,959.84 = 314,524.36/x
  3. Step 3: Cross multiply
    921,878.26x = 1,382,959.84 × 314,524.36
  4. Step 4: Simplify right side
    921,878.26x = 434,974,554,337.99
  5. Step 5: Solve for x
    x = 434,974,554,337.99/921,878.26
  6. Step 6: Final answer
    x = 471,835.14

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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.