Home / 656,802.82-985,573.32-357,304.36

Finding the Fourth Proportional to 656,802.82, 985,573.32 and 357,304.36

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Solution

The fourth proportional to 656,802.82, 985,573.32 and 357,304.36 is: 536,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,802.82 : 985,573.32 = 357,304.36 : x
  2. Step 2: Convert to fraction form
    656,802.82/985,573.32 = 357,304.36/x
  3. Step 3: Cross multiply
    656,802.82x = 985,573.32 × 357,304.36
  4. Step 4: Simplify right side
    656,802.82x = 352,149,644,335.68
  5. Step 5: Solve for x
    x = 352,149,644,335.68/656,802.82
  6. Step 6: Final answer
    x = 536,157.33

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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.