Home / 686,645.60-1,027,894.80-603,701.60

Finding the Fourth Proportional to 686,645.60, 1,027,894.80 and 603,701.60

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Solution

The fourth proportional to 686,645.60, 1,027,894.80 and 603,701.60 is: 903,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,645.60 : 1,027,894.80 = 603,701.60 : x
  2. Step 2: Convert to fraction form
    686,645.60/1,027,894.80 = 603,701.60/x
  3. Step 3: Cross multiply
    686,645.60x = 1,027,894.80 × 603,701.60
  4. Step 4: Simplify right side
    686,645.60x = 620,541,735,391.68
  5. Step 5: Solve for x
    x = 620,541,735,391.68/686,645.60
  6. Step 6: Final answer
    x = 903,729.28

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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.