Home / 536,985.09-805,435.31-312,202.13

Finding the Fourth Proportional to 536,985.09, 805,435.31 and 312,202.13

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Solution

The fourth proportional to 536,985.09, 805,435.31 and 312,202.13 is: 468,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,985.09 : 805,435.31 = 312,202.13 : x
  2. Step 2: Convert to fraction form
    536,985.09/805,435.31 = 312,202.13/x
  3. Step 3: Cross multiply
    536,985.09x = 805,435.31 × 312,202.13
  4. Step 4: Simplify right side
    536,985.09x = 251,458,616,112.54
  5. Step 5: Solve for x
    x = 251,458,616,112.54/536,985.09
  6. Step 6: Final answer
    x = 468,278.58

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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.