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Finding the Fourth Proportional to 510,698.49, 704,527.07 and 329,468.58

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Solution

The fourth proportional to 510,698.49, 704,527.07 and 329,468.58 is: 454,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,698.49 : 704,527.07 = 329,468.58 : x
  2. Step 2: Convert to fraction form
    510,698.49/704,527.07 = 329,468.58/x
  3. Step 3: Cross multiply
    510,698.49x = 704,527.07 × 329,468.58
  4. Step 4: Simplify right side
    510,698.49x = 232,119,531,677.12
  5. Step 5: Solve for x
    x = 232,119,531,677.12/510,698.49
  6. Step 6: Final answer
    x = 454,513.84

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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.