Home / 642,955.48-964,236.31-444,550.84

Finding the Fourth Proportional to 642,955.48, 964,236.31 and 444,550.84

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Solution

The fourth proportional to 642,955.48, 964,236.31 and 444,550.84 is: 666,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,955.48 : 964,236.31 = 444,550.84 : x
  2. Step 2: Convert to fraction form
    642,955.48/964,236.31 = 444,550.84/x
  3. Step 3: Cross multiply
    642,955.48x = 964,236.31 × 444,550.84
  4. Step 4: Simplify right side
    642,955.48x = 428,652,061,569.00
  5. Step 5: Solve for x
    x = 428,652,061,569.00/642,955.48
  6. Step 6: Final answer
    x = 666,690.11

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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.