Home / 547,828.08-821,898.72-323,393.28

Finding the Fourth Proportional to 547,828.08, 821,898.72 and 323,393.28

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Solution

The fourth proportional to 547,828.08, 821,898.72 and 323,393.28 is: 485,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,828.08 : 821,898.72 = 323,393.28 : x
  2. Step 2: Convert to fraction form
    547,828.08/821,898.72 = 323,393.28/x
  3. Step 3: Cross multiply
    547,828.08x = 821,898.72 × 323,393.28
  4. Step 4: Simplify right side
    547,828.08x = 265,796,522,888.60
  5. Step 5: Solve for x
    x = 265,796,522,888.60/547,828.08
  6. Step 6: Final answer
    x = 485,182.36

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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.