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Finding the Fourth Proportional to 571,630.32, 788,667.84 and 329,880.96

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Solution

The fourth proportional to 571,630.32, 788,667.84 and 329,880.96 is: 455,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,630.32 : 788,667.84 = 329,880.96 : x
  2. Step 2: Convert to fraction form
    571,630.32/788,667.84 = 329,880.96/x
  3. Step 3: Cross multiply
    571,630.32x = 788,667.84 × 329,880.96
  4. Step 4: Simplify right side
    571,630.32x = 260,166,504,180.33
  5. Step 5: Solve for x
    x = 260,166,504,180.33/571,630.32
  6. Step 6: Final answer
    x = 455,130.69

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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.