Home / 436,291.20-654,436.80-295,286.40

Finding the Fourth Proportional to 436,291.20, 654,436.80 and 295,286.40

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Solution

The fourth proportional to 436,291.20, 654,436.80 and 295,286.40 is: 442,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,291.20 : 654,436.80 = 295,286.40 : x
  2. Step 2: Convert to fraction form
    436,291.20/654,436.80 = 295,286.40/x
  3. Step 3: Cross multiply
    436,291.20x = 654,436.80 × 295,286.40
  4. Step 4: Simplify right side
    436,291.20x = 193,246,286,699.52
  5. Step 5: Solve for x
    x = 193,246,286,699.52/436,291.20
  6. Step 6: Final answer
    x = 442,929.60

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Similar ratio
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1.5x scale

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.