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Finding the Fourth Proportional to 657,365.16, 985,850.10 and 341,649.48

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Solution

The fourth proportional to 657,365.16, 985,850.10 and 341,649.48 is: 512,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,365.16 : 985,850.10 = 341,649.48 : x
  2. Step 2: Convert to fraction form
    657,365.16/985,850.10 = 341,649.48/x
  3. Step 3: Cross multiply
    657,365.16x = 985,850.10 × 341,649.48
  4. Step 4: Simplify right side
    657,365.16x = 336,815,174,022.95
  5. Step 5: Solve for x
    x = 336,815,174,022.95/657,365.16
  6. Step 6: Final answer
    x = 512,371.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.