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Finding the Fourth Proportional to 496,807.71, 745,195.77 and 295,782.72

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Solution

The fourth proportional to 496,807.71, 745,195.77 and 295,782.72 is: 443,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,807.71 : 745,195.77 = 295,782.72 : x
  2. Step 2: Convert to fraction form
    496,807.71/745,195.77 = 295,782.72/x
  3. Step 3: Cross multiply
    496,807.71x = 745,195.77 × 295,782.72
  4. Step 4: Simplify right side
    496,807.71x = 220,416,031,783.09
  5. Step 5: Solve for x
    x = 220,416,031,783.09/496,807.71
  6. Step 6: Final answer
    x = 443,664.68

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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.