Home / 551,868.50-761,407.37-322,260.15

Finding the Fourth Proportional to 551,868.50, 761,407.37 and 322,260.15

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Solution

The fourth proportional to 551,868.50, 761,407.37 and 322,260.15 is: 444,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,868.50 : 761,407.37 = 322,260.15 : x
  2. Step 2: Convert to fraction form
    551,868.50/761,407.37 = 322,260.15/x
  3. Step 3: Cross multiply
    551,868.50x = 761,407.37 × 322,260.15
  4. Step 4: Simplify right side
    551,868.50x = 245,371,251,656.01
  5. Step 5: Solve for x
    x = 245,371,251,656.01/551,868.50
  6. Step 6: Final answer
    x = 444,619.06

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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.