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Finding the Fourth Proportional to 651,908.64, 899,625.84 and 365,428.32

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Solution

The fourth proportional to 651,908.64, 899,625.84 and 365,428.32 is: 504,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,908.64 : 899,625.84 = 365,428.32 : x
  2. Step 2: Convert to fraction form
    651,908.64/899,625.84 = 365,428.32/x
  3. Step 3: Cross multiply
    651,908.64x = 899,625.84 × 365,428.32
  4. Step 4: Simplify right side
    651,908.64x = 328,748,759,339.79
  5. Step 5: Solve for x
    x = 328,748,759,339.79/651,908.64
  6. Step 6: Final answer
    x = 504,286.55

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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.