Home / 957,557.61-1,321,418.75-521,965.42

Finding the Fourth Proportional to 957,557.61, 1,321,418.75 and 521,965.42

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Solution

The fourth proportional to 957,557.61, 1,321,418.75 and 521,965.42 is: 720,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,557.61 : 1,321,418.75 = 521,965.42 : x
  2. Step 2: Convert to fraction form
    957,557.61/1,321,418.75 = 521,965.42/x
  3. Step 3: Cross multiply
    957,557.61x = 1,321,418.75 × 521,965.42
  4. Step 4: Simplify right side
    957,557.61x = 689,734,886,926.25
  5. Step 5: Solve for x
    x = 689,734,886,926.25/957,557.61
  6. Step 6: Final answer
    x = 720,306.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.