Home / 665,382.04-998,077.38-266,056.36

Finding the Fourth Proportional to 665,382.04, 998,077.38 and 266,056.36

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Solution

The fourth proportional to 665,382.04, 998,077.38 and 266,056.36 is: 399,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,382.04 : 998,077.38 = 266,056.36 : x
  2. Step 2: Convert to fraction form
    665,382.04/998,077.38 = 266,056.36/x
  3. Step 3: Cross multiply
    665,382.04x = 998,077.38 × 266,056.36
  4. Step 4: Simplify right side
    665,382.04x = 265,544,834,721.14
  5. Step 5: Solve for x
    x = 265,544,834,721.14/665,382.04
  6. Step 6: Final answer
    x = 399,086.27

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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.