Home / 687,592.59-1,031,600.05-328,222.02

Finding the Fourth Proportional to 687,592.59, 1,031,600.05 and 328,222.02

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Solution

The fourth proportional to 687,592.59, 1,031,600.05 and 328,222.02 is: 492,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,592.59 : 1,031,600.05 = 328,222.02 : x
  2. Step 2: Convert to fraction form
    687,592.59/1,031,600.05 = 328,222.02/x
  3. Step 3: Cross multiply
    687,592.59x = 1,031,600.05 × 328,222.02
  4. Step 4: Simplify right side
    687,592.59x = 338,593,852,243.10
  5. Step 5: Solve for x
    x = 338,593,852,243.10/687,592.59
  6. Step 6: Final answer
    x = 492,433.83

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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.