Home / 551,738.48-761,374.80-322,317.02

Finding the Fourth Proportional to 551,738.48, 761,374.80 and 322,317.02

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Solution

The fourth proportional to 551,738.48, 761,374.80 and 322,317.02 is: 444,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,738.48 : 761,374.80 = 322,317.02 : x
  2. Step 2: Convert to fraction form
    551,738.48/761,374.80 = 322,317.02/x
  3. Step 3: Cross multiply
    551,738.48x = 761,374.80 × 322,317.02
  4. Step 4: Simplify right side
    551,738.48x = 245,404,056,639.10
  5. Step 5: Solve for x
    x = 245,404,056,639.10/551,738.48
  6. Step 6: Final answer
    x = 444,783.29

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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.