Home / 832,003.37-1,245,555.62-515,442.41

Finding the Fourth Proportional to 832,003.37, 1,245,555.62 and 515,442.41

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Solution

The fourth proportional to 832,003.37, 1,245,555.62 and 515,442.41 is: 771,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,003.37 : 1,245,555.62 = 515,442.41 : x
  2. Step 2: Convert to fraction form
    832,003.37/1,245,555.62 = 515,442.41/x
  3. Step 3: Cross multiply
    832,003.37x = 1,245,555.62 × 515,442.41
  4. Step 4: Simplify right side
    832,003.37x = 642,012,187,984.63
  5. Step 5: Solve for x
    x = 642,012,187,984.63/832,003.37
  6. Step 6: Final answer
    x = 771,646.14

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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.