Home / 455,492.57-683,653.37-242,439.28

Finding the Fourth Proportional to 455,492.57, 683,653.37 and 242,439.28

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Solution

The fourth proportional to 455,492.57, 683,653.37 and 242,439.28 is: 363,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,492.57 : 683,653.37 = 242,439.28 : x
  2. Step 2: Convert to fraction form
    455,492.57/683,653.37 = 242,439.28/x
  3. Step 3: Cross multiply
    455,492.57x = 683,653.37 × 242,439.28
  4. Step 4: Simplify right side
    455,492.57x = 165,744,427,871.04
  5. Step 5: Solve for x
    x = 165,744,427,871.04/455,492.57
  6. Step 6: Final answer
    x = 363,879.55

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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.