Home / 882,024.72-1,321,367.86-521,116.39

Finding the Fourth Proportional to 882,024.72, 1,321,367.86 and 521,116.39

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Solution

The fourth proportional to 882,024.72, 1,321,367.86 and 521,116.39 is: 780,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,024.72 : 1,321,367.86 = 521,116.39 : x
  2. Step 2: Convert to fraction form
    882,024.72/1,321,367.86 = 521,116.39/x
  3. Step 3: Cross multiply
    882,024.72x = 1,321,367.86 × 521,116.39
  4. Step 4: Simplify right side
    882,024.72x = 688,586,449,065.23
  5. Step 5: Solve for x
    x = 688,586,449,065.23/882,024.72
  6. Step 6: Final answer
    x = 780,688.38

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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.