Home / 423,621.16-635,577.56-265,664.68

Finding the Fourth Proportional to 423,621.16, 635,577.56 and 265,664.68

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Solution

The fourth proportional to 423,621.16, 635,577.56 and 265,664.68 is: 398,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,621.16 : 635,577.56 = 265,664.68 : x
  2. Step 2: Convert to fraction form
    423,621.16/635,577.56 = 265,664.68/x
  3. Step 3: Cross multiply
    423,621.16x = 635,577.56 × 265,664.68
  4. Step 4: Simplify right side
    423,621.16x = 168,850,509,092.58
  5. Step 5: Solve for x
    x = 168,850,509,092.58/423,621.16
  6. Step 6: Final answer
    x = 398,588.47

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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.