Home / 551,743.98-761,382.40-322,322.51

Finding the Fourth Proportional to 551,743.98, 761,382.40 and 322,322.51

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Solution

The fourth proportional to 551,743.98, 761,382.40 and 322,322.51 is: 444,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,743.98 : 761,382.40 = 322,322.51 : x
  2. Step 2: Convert to fraction form
    551,743.98/761,382.40 = 322,322.51/x
  3. Step 3: Cross multiply
    551,743.98x = 761,382.40 × 322,322.51
  4. Step 4: Simplify right side
    551,743.98x = 245,410,686,237.82
  5. Step 5: Solve for x
    x = 245,410,686,237.82/551,743.98
  6. Step 6: Final answer
    x = 444,790.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.