Home / 686,027.34-1,028,491.50-326,017.52

Finding the Fourth Proportional to 686,027.34, 1,028,491.50 and 326,017.52

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Solution

The fourth proportional to 686,027.34, 1,028,491.50 and 326,017.52 is: 488,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,027.34 : 1,028,491.50 = 326,017.52 : x
  2. Step 2: Convert to fraction form
    686,027.34/1,028,491.50 = 326,017.52/x
  3. Step 3: Cross multiply
    686,027.34x = 1,028,491.50 × 326,017.52
  4. Step 4: Simplify right side
    686,027.34x = 335,306,248,171.08
  5. Step 5: Solve for x
    x = 335,306,248,171.08/686,027.34
  6. Step 6: Final answer
    x = 488,765.14

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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.