Home / 579,464.24-869,225.40-205,516.40

Finding the Fourth Proportional to 579,464.24, 869,225.40 and 205,516.40

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Solution

The fourth proportional to 579,464.24, 869,225.40 and 205,516.40 is: 308,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,464.24 : 869,225.40 = 205,516.40 : x
  2. Step 2: Convert to fraction form
    579,464.24/869,225.40 = 205,516.40/x
  3. Step 3: Cross multiply
    579,464.24x = 869,225.40 × 205,516.40
  4. Step 4: Simplify right side
    579,464.24x = 178,640,074,996.56
  5. Step 5: Solve for x
    x = 178,640,074,996.56/579,464.24
  6. Step 6: Final answer
    x = 308,284.90

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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.