Home / 455,494.40-683,656.20-242,441.18

Finding the Fourth Proportional to 455,494.40, 683,656.20 and 242,441.18

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Solution

The fourth proportional to 455,494.40, 683,656.20 and 242,441.18 is: 363,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,494.40 : 683,656.20 = 242,441.18 : x
  2. Step 2: Convert to fraction form
    455,494.40/683,656.20 = 242,441.18/x
  3. Step 3: Cross multiply
    455,494.40x = 683,656.20 × 242,441.18
  4. Step 4: Simplify right side
    455,494.40x = 165,746,412,424.04
  5. Step 5: Solve for x
    x = 165,746,412,424.04/455,494.40
  6. Step 6: Final answer
    x = 363,882.44

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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.