Home / 762,691.69-1,052,511.64-418,533.41

Finding the Fourth Proportional to 762,691.69, 1,052,511.64 and 418,533.41

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Solution

The fourth proportional to 762,691.69, 1,052,511.64 and 418,533.41 is: 577,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,691.69 : 1,052,511.64 = 418,533.41 : x
  2. Step 2: Convert to fraction form
    762,691.69/1,052,511.64 = 418,533.41/x
  3. Step 3: Cross multiply
    762,691.69x = 1,052,511.64 × 418,533.41
  4. Step 4: Simplify right side
    762,691.69x = 440,511,285,753.89
  5. Step 5: Solve for x
    x = 440,511,285,753.89/762,691.69
  6. Step 6: Final answer
    x = 577,574.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.