Home / 437,837.40-655,476.57-395,814.20

Finding the Fourth Proportional to 437,837.40, 655,476.57 and 395,814.20

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Solution

The fourth proportional to 437,837.40, 655,476.57 and 395,814.20 is: 592,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,837.40 : 655,476.57 = 395,814.20 : x
  2. Step 2: Convert to fraction form
    437,837.40/655,476.57 = 395,814.20/x
  3. Step 3: Cross multiply
    437,837.40x = 655,476.57 × 395,814.20
  4. Step 4: Simplify right side
    437,837.40x = 259,446,930,895.91
  5. Step 5: Solve for x
    x = 259,446,930,895.91/437,837.40
  6. Step 6: Final answer
    x = 592,564.57

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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.