Home / 686,718.60-1,028,004.30-603,774.60

Finding the Fourth Proportional to 686,718.60, 1,028,004.30 and 603,774.60

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Solution

The fourth proportional to 686,718.60, 1,028,004.30 and 603,774.60 is: 903,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,718.60 : 1,028,004.30 = 603,774.60 : x
  2. Step 2: Convert to fraction form
    686,718.60/1,028,004.30 = 603,774.60/x
  3. Step 3: Cross multiply
    686,718.60x = 1,028,004.30 × 603,774.60
  4. Step 4: Simplify right side
    686,718.60x = 620,682,885,030.78
  5. Step 5: Solve for x
    x = 620,682,885,030.78/686,718.60
  6. Step 6: Final answer
    x = 903,838.76

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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.