Home / 551,844.80-761,534.16-325,563.20

Finding the Fourth Proportional to 551,844.80, 761,534.16 and 325,563.20

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Solution

The fourth proportional to 551,844.80, 761,534.16 and 325,563.20 is: 449,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,844.80 : 761,534.16 = 325,563.20 : x
  2. Step 2: Convert to fraction form
    551,844.80/761,534.16 = 325,563.20/x
  3. Step 3: Cross multiply
    551,844.80x = 761,534.16 × 325,563.20
  4. Step 4: Simplify right side
    551,844.80x = 247,927,498,038.91
  5. Step 5: Solve for x
    x = 247,927,498,038.91/551,844.80
  6. Step 6: Final answer
    x = 449,270.33

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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.