Home / 781,662.48-1,172,578.68-249,058.32

Finding the Fourth Proportional to 781,662.48, 1,172,578.68 and 249,058.32

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Solution

The fourth proportional to 781,662.48, 1,172,578.68 and 249,058.32 is: 373,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,662.48 : 1,172,578.68 = 249,058.32 : x
  2. Step 2: Convert to fraction form
    781,662.48/1,172,578.68 = 249,058.32/x
  3. Step 3: Cross multiply
    781,662.48x = 1,172,578.68 × 249,058.32
  4. Step 4: Simplify right side
    781,662.48x = 292,040,476,108.62
  5. Step 5: Solve for x
    x = 292,040,476,108.62/781,662.48
  6. Step 6: Final answer
    x = 373,614.55

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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.