Home / 635,988.40-877,621.52-349,502.32

Finding the Fourth Proportional to 635,988.40, 877,621.52 and 349,502.32

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Solution

The fourth proportional to 635,988.40, 877,621.52 and 349,502.32 is: 482,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,988.40 : 877,621.52 = 349,502.32 : x
  2. Step 2: Convert to fraction form
    635,988.40/877,621.52 = 349,502.32/x
  3. Step 3: Cross multiply
    635,988.40x = 877,621.52 × 349,502.32
  4. Step 4: Simplify right side
    635,988.40x = 306,730,757,321.93
  5. Step 5: Solve for x
    x = 306,730,757,321.93/635,988.40
  6. Step 6: Final answer
    x = 482,289.86

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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.