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Finding the Fourth Proportional to 522,162.58, 782,029.38 and 507,795.94

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Solution

The fourth proportional to 522,162.58, 782,029.38 and 507,795.94 is: 760,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,162.58 : 782,029.38 = 507,795.94 : x
  2. Step 2: Convert to fraction form
    522,162.58/782,029.38 = 507,795.94/x
  3. Step 3: Cross multiply
    522,162.58x = 782,029.38 × 507,795.94
  4. Step 4: Simplify right side
    522,162.58x = 397,111,344,124.72
  5. Step 5: Solve for x
    x = 397,111,344,124.72/522,162.58
  6. Step 6: Final answer
    x = 760,512.84

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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.