Home / 635,256.56-876,655.78-348,795.20

Finding the Fourth Proportional to 635,256.56, 876,655.78 and 348,795.20

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Solution

The fourth proportional to 635,256.56, 876,655.78 and 348,795.20 is: 481,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,256.56 : 876,655.78 = 348,795.20 : x
  2. Step 2: Convert to fraction form
    635,256.56/876,655.78 = 348,795.20/x
  3. Step 3: Cross multiply
    635,256.56x = 876,655.78 × 348,795.20
  4. Step 4: Simplify right side
    635,256.56x = 305,773,328,116.26
  5. Step 5: Solve for x
    x = 305,773,328,116.26/635,256.56
  6. Step 6: Final answer
    x = 481,338.32

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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.