Home / 652,824.82-979,232.55-459,905.32

Finding the Fourth Proportional to 652,824.82, 979,232.55 and 459,905.32

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Solution

The fourth proportional to 652,824.82, 979,232.55 and 459,905.32 is: 689,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,824.82 : 979,232.55 = 459,905.32 : x
  2. Step 2: Convert to fraction form
    652,824.82/979,232.55 = 459,905.32/x
  3. Step 3: Cross multiply
    652,824.82x = 979,232.55 × 459,905.32
  4. Step 4: Simplify right side
    652,824.82x = 450,354,259,262.17
  5. Step 5: Solve for x
    x = 450,354,259,262.17/652,824.82
  6. Step 6: Final answer
    x = 689,854.68

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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.