Home / 689,580.68-1,033,638.78-334,107.32

Finding the Fourth Proportional to 689,580.68, 1,033,638.78 and 334,107.32

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Solution

The fourth proportional to 689,580.68, 1,033,638.78 and 334,107.32 is: 500,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,580.68 : 1,033,638.78 = 334,107.32 : x
  2. Step 2: Convert to fraction form
    689,580.68/1,033,638.78 = 334,107.32/x
  3. Step 3: Cross multiply
    689,580.68x = 1,033,638.78 × 334,107.32
  4. Step 4: Simplify right side
    689,580.68x = 345,346,282,633.87
  5. Step 5: Solve for x
    x = 345,346,282,633.87/689,580.68
  6. Step 6: Final answer
    x = 500,806.20

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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.