Home / 687,599.53-1,031,610.46-328,228.96

Finding the Fourth Proportional to 687,599.53, 1,031,610.46 and 328,228.96

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Solution

The fourth proportional to 687,599.53, 1,031,610.46 and 328,228.96 is: 492,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,599.53 : 1,031,610.46 = 328,228.96 : x
  2. Step 2: Convert to fraction form
    687,599.53/1,031,610.46 = 328,228.96/x
  3. Step 3: Cross multiply
    687,599.53x = 1,031,610.46 × 328,228.96
  4. Step 4: Simplify right side
    687,599.53x = 338,604,428,410.92
  5. Step 5: Solve for x
    x = 338,604,428,410.92/687,599.53
  6. Step 6: Final answer
    x = 492,444.24

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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.