Home / 635,628.02-877,170.75-349,145.60

Finding the Fourth Proportional to 635,628.02, 877,170.75 and 349,145.60

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Solution

The fourth proportional to 635,628.02, 877,170.75 and 349,145.60 is: 481,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,628.02 : 877,170.75 = 349,145.60 : x
  2. Step 2: Convert to fraction form
    635,628.02/877,170.75 = 349,145.60/x
  3. Step 3: Cross multiply
    635,628.02x = 877,170.75 × 349,145.60
  4. Step 4: Simplify right side
    635,628.02x = 306,260,307,811.20
  5. Step 5: Solve for x
    x = 306,260,307,811.20/635,628.02
  6. Step 6: Final answer
    x = 481,823.17

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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.