Home / 455,577.60-683,366.40-231,628.80

Finding the Fourth Proportional to 455,577.60, 683,366.40 and 231,628.80

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Solution

The fourth proportional to 455,577.60, 683,366.40 and 231,628.80 is: 347,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,577.60 : 683,366.40 = 231,628.80 : x
  2. Step 2: Convert to fraction form
    455,577.60/683,366.40 = 231,628.80/x
  3. Step 3: Cross multiply
    455,577.60x = 683,366.40 × 231,628.80
  4. Step 4: Simplify right side
    455,577.60x = 158,287,339,192.32
  5. Step 5: Solve for x
    x = 158,287,339,192.32/455,577.60
  6. Step 6: Final answer
    x = 347,443.20

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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.