Home / 854,462.77-1,282,324.95-405,185.15

Finding the Fourth Proportional to 854,462.77, 1,282,324.95 and 405,185.15

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Solution

The fourth proportional to 854,462.77, 1,282,324.95 and 405,185.15 is: 608,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,462.77 : 1,282,324.95 = 405,185.15 : x
  2. Step 2: Convert to fraction form
    854,462.77/1,282,324.95 = 405,185.15/x
  3. Step 3: Cross multiply
    854,462.77x = 1,282,324.95 × 405,185.15
  4. Step 4: Simplify right side
    854,462.77x = 519,579,030,420.31
  5. Step 5: Solve for x
    x = 519,579,030,420.31/854,462.77
  6. Step 6: Final answer
    x = 608,076.85

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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.