Home / 635,228.52-876,622.67-348,742.45

Finding the Fourth Proportional to 635,228.52, 876,622.67 and 348,742.45

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Solution

The fourth proportional to 635,228.52, 876,622.67 and 348,742.45 is: 481,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,228.52 : 876,622.67 = 348,742.45 : x
  2. Step 2: Convert to fraction form
    635,228.52/876,622.67 = 348,742.45/x
  3. Step 3: Cross multiply
    635,228.52x = 876,622.67 × 348,742.45
  4. Step 4: Simplify right side
    635,228.52x = 305,715,537,661.34
  5. Step 5: Solve for x
    x = 305,715,537,661.34/635,228.52
  6. Step 6: Final answer
    x = 481,268.60

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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.