Home / 609,927.59-913,648.86-289,107.05

Finding the Fourth Proportional to 609,927.59, 913,648.86 and 289,107.05

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Solution

The fourth proportional to 609,927.59, 913,648.86 and 289,107.05 is: 433,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,927.59 : 913,648.86 = 289,107.05 : x
  2. Step 2: Convert to fraction form
    609,927.59/913,648.86 = 289,107.05/x
  3. Step 3: Cross multiply
    609,927.59x = 913,648.86 × 289,107.05
  4. Step 4: Simplify right side
    609,927.59x = 264,142,322,082.22
  5. Step 5: Solve for x
    x = 264,142,322,082.22/609,927.59
  6. Step 6: Final answer
    x = 433,071.61

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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.