Home / 686,024.39-1,028,487.06-326,014.58

Finding the Fourth Proportional to 686,024.39, 1,028,487.06 and 326,014.58

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Solution

The fourth proportional to 686,024.39, 1,028,487.06 and 326,014.58 is: 488,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,024.39 : 1,028,487.06 = 326,014.58 : x
  2. Step 2: Convert to fraction form
    686,024.39/1,028,487.06 = 326,014.58/x
  3. Step 3: Cross multiply
    686,024.39x = 1,028,487.06 × 326,014.58
  4. Step 4: Simplify right side
    686,024.39x = 335,301,771,758.90
  5. Step 5: Solve for x
    x = 335,301,771,758.90/686,024.39
  6. Step 6: Final answer
    x = 488,760.72

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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.