Home / 683,885.80-1,027,578.30-606,903.40

Finding the Fourth Proportional to 683,885.80, 1,027,578.30 and 606,903.40

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Solution

The fourth proportional to 683,885.80, 1,027,578.30 and 606,903.40 is: 911,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,885.80 : 1,027,578.30 = 606,903.40 : x
  2. Step 2: Convert to fraction form
    683,885.80/1,027,578.30 = 606,903.40/x
  3. Step 3: Cross multiply
    683,885.80x = 1,027,578.30 × 606,903.40
  4. Step 4: Simplify right side
    683,885.80x = 623,640,764,036.22
  5. Step 5: Solve for x
    x = 623,640,764,036.22/683,885.80
  6. Step 6: Final answer
    x = 911,907.75

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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.