Home / 579,325.41-869,227.88-312,772.41

Finding the Fourth Proportional to 579,325.41, 869,227.88 and 312,772.41

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Solution

The fourth proportional to 579,325.41, 869,227.88 and 312,772.41 is: 469,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,325.41 : 869,227.88 = 312,772.41 : x
  2. Step 2: Convert to fraction form
    579,325.41/869,227.88 = 312,772.41/x
  3. Step 3: Cross multiply
    579,325.41x = 869,227.88 × 312,772.41
  4. Step 4: Simplify right side
    579,325.41x = 271,870,497,302.93
  5. Step 5: Solve for x
    x = 271,870,497,302.93/579,325.41
  6. Step 6: Final answer
    x = 469,288.06

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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.