Home / 455,577.80-683,885.10-268,694.60

Finding the Fourth Proportional to 455,577.80, 683,885.10 and 268,694.60

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Solution

The fourth proportional to 455,577.80, 683,885.10 and 268,694.60 is: 403,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,577.80 : 683,885.10 = 268,694.60 : x
  2. Step 2: Convert to fraction form
    455,577.80/683,885.10 = 268,694.60/x
  3. Step 3: Cross multiply
    455,577.80x = 683,885.10 × 268,694.60
  4. Step 4: Simplify right side
    455,577.80x = 183,756,233,390.46
  5. Step 5: Solve for x
    x = 183,756,233,390.46/455,577.80
  6. Step 6: Final answer
    x = 403,347.65

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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.