Home / 657,015.10-985,234.65-301,911.10

Finding the Fourth Proportional to 657,015.10, 985,234.65 and 301,911.10

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Solution

The fourth proportional to 657,015.10, 985,234.65 and 301,911.10 is: 452,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,015.10 : 985,234.65 = 301,911.10 : x
  2. Step 2: Convert to fraction form
    657,015.10/985,234.65 = 301,911.10/x
  3. Step 3: Cross multiply
    657,015.10x = 985,234.65 × 301,911.10
  4. Step 4: Simplify right side
    657,015.10x = 297,453,276,939.62
  5. Step 5: Solve for x
    x = 297,453,276,939.62/657,015.10
  6. Step 6: Final answer
    x = 452,734.31

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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.