Home / 455,720.04-683,577.90-253,220.76

Finding the Fourth Proportional to 455,720.04, 683,577.90 and 253,220.76

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Solution

The fourth proportional to 455,720.04, 683,577.90 and 253,220.76 is: 379,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,720.04 : 683,577.90 = 253,220.76 : x
  2. Step 2: Convert to fraction form
    455,720.04/683,577.90 = 253,220.76/x
  3. Step 3: Cross multiply
    455,720.04x = 683,577.90 × 253,220.76
  4. Step 4: Simplify right side
    455,720.04x = 173,096,115,357.20
  5. Step 5: Solve for x
    x = 173,096,115,357.20/455,720.04
  6. Step 6: Final answer
    x = 379,829.94

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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.