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Finding the Fourth Proportional to 653,647.36, 901,998.72 and 367,179.52

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Solution

The fourth proportional to 653,647.36, 901,998.72 and 367,179.52 is: 506,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,647.36 : 901,998.72 = 367,179.52 : x
  2. Step 2: Convert to fraction form
    653,647.36/901,998.72 = 367,179.52/x
  3. Step 3: Cross multiply
    653,647.36x = 901,998.72 × 367,179.52
  4. Step 4: Simplify right side
    653,647.36x = 331,195,457,050.21
  5. Step 5: Solve for x
    x = 331,195,457,050.21/653,647.36
  6. Step 6: Final answer
    x = 506,688.28

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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.