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Finding the Fourth Proportional to 635,627.52, 877,170.06 and 349,145.10

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Solution

The fourth proportional to 635,627.52, 877,170.06 and 349,145.10 is: 481,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,627.52 : 877,170.06 = 349,145.10 : x
  2. Step 2: Convert to fraction form
    635,627.52/877,170.06 = 349,145.10/x
  3. Step 3: Cross multiply
    635,627.52x = 877,170.06 × 349,145.10
  4. Step 4: Simplify right side
    635,627.52x = 306,259,628,315.71
  5. Step 5: Solve for x
    x = 306,259,628,315.71/635,627.52
  6. Step 6: Final answer
    x = 481,822.48

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1.5x scale

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.