Home / 455,499.08-683,663.31-242,445.95

Finding the Fourth Proportional to 455,499.08, 683,663.31 and 242,445.95

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Solution

The fourth proportional to 455,499.08, 683,663.31 and 242,445.95 is: 363,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,499.08 : 683,663.31 = 242,445.95 : x
  2. Step 2: Convert to fraction form
    455,499.08/683,663.31 = 242,445.95/x
  3. Step 3: Cross multiply
    455,499.08x = 683,663.31 × 242,445.95
  4. Step 4: Simplify right side
    455,499.08x = 165,751,397,254.78
  5. Step 5: Solve for x
    x = 165,751,397,254.78/455,499.08
  6. Step 6: Final answer
    x = 363,889.65

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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.