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Finding the Fourth Proportional to 478,887.39, 660,869.54 and 264,035.14

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Solution

The fourth proportional to 478,887.39, 660,869.54 and 264,035.14 is: 364,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,887.39 : 660,869.54 = 264,035.14 : x
  2. Step 2: Convert to fraction form
    478,887.39/660,869.54 = 264,035.14/x
  3. Step 3: Cross multiply
    478,887.39x = 660,869.54 × 264,035.14
  4. Step 4: Simplify right side
    478,887.39x = 174,492,783,436.45
  5. Step 5: Solve for x
    x = 174,492,783,436.45/478,887.39
  6. Step 6: Final answer
    x = 364,371.22

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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.