Home / 886,933.84-1,329,793.68-318,302.32

Finding the Fourth Proportional to 886,933.84, 1,329,793.68 and 318,302.32

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Solution

The fourth proportional to 886,933.84, 1,329,793.68 and 318,302.32 is: 477,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,933.84 : 1,329,793.68 = 318,302.32 : x
  2. Step 2: Convert to fraction form
    886,933.84/1,329,793.68 = 318,302.32/x
  3. Step 3: Cross multiply
    886,933.84x = 1,329,793.68 × 318,302.32
  4. Step 4: Simplify right side
    886,933.84x = 423,276,413,465.34
  5. Step 5: Solve for x
    x = 423,276,413,465.34/886,933.84
  6. Step 6: Final answer
    x = 477,235.61

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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.