Home / 864,481.86-1,295,632.02-438,124.83

Finding the Fourth Proportional to 864,481.86, 1,295,632.02 and 438,124.83

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Solution

The fourth proportional to 864,481.86, 1,295,632.02 and 438,124.83 is: 656,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,481.86 : 1,295,632.02 = 438,124.83 : x
  2. Step 2: Convert to fraction form
    864,481.86/1,295,632.02 = 438,124.83/x
  3. Step 3: Cross multiply
    864,481.86x = 1,295,632.02 × 438,124.83
  4. Step 4: Simplify right side
    864,481.86x = 567,648,558,505.06
  5. Step 5: Solve for x
    x = 567,648,558,505.06/864,481.86
  6. Step 6: Final answer
    x = 656,634.44

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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.