Home / 715,778.72-1,072,880.76-294,824.96

Finding the Fourth Proportional to 715,778.72, 1,072,880.76 and 294,824.96

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Solution

The fourth proportional to 715,778.72, 1,072,880.76 and 294,824.96 is: 441,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,778.72 : 1,072,880.76 = 294,824.96 : x
  2. Step 2: Convert to fraction form
    715,778.72/1,072,880.76 = 294,824.96/x
  3. Step 3: Cross multiply
    715,778.72x = 1,072,880.76 × 294,824.96
  4. Step 4: Simplify right side
    715,778.72x = 316,312,027,151.77
  5. Step 5: Solve for x
    x = 316,312,027,151.77/715,778.72
  6. Step 6: Final answer
    x = 441,913.15

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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.