Home / 957,486.12-1,436,557.26-326,842.80

Finding the Fourth Proportional to 957,486.12, 1,436,557.26 and 326,842.80

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Solution

The fourth proportional to 957,486.12, 1,436,557.26 and 326,842.80 is: 490,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,486.12 : 1,436,557.26 = 326,842.80 : x
  2. Step 2: Convert to fraction form
    957,486.12/1,436,557.26 = 326,842.80/x
  3. Step 3: Cross multiply
    957,486.12x = 1,436,557.26 × 326,842.80
  4. Step 4: Simplify right side
    957,486.12x = 469,528,397,218.73
  5. Step 5: Solve for x
    x = 469,528,397,218.73/957,486.12
  6. Step 6: Final answer
    x = 490,376.19

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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.