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Finding the Fourth Proportional to 635,254.83, 876,667.05 and 344,878.34

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Solution

The fourth proportional to 635,254.83, 876,667.05 and 344,878.34 is: 475,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,254.83 : 876,667.05 = 344,878.34 : x
  2. Step 2: Convert to fraction form
    635,254.83/876,667.05 = 344,878.34/x
  3. Step 3: Cross multiply
    635,254.83x = 876,667.05 × 344,878.34
  4. Step 4: Simplify right side
    635,254.83x = 302,343,472,553.36
  5. Step 5: Solve for x
    x = 302,343,472,553.36/635,254.83
  6. Step 6: Final answer
    x = 475,940.45

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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.