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Finding the Fourth Proportional to 517,527.04, 714,180 and 291,172

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Solution

The fourth proportional to 517,527.04, 714,180 and 291,172 is: 401,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,527.04 : 714,180 = 291,172 : x
  2. Step 2: Convert to fraction form
    517,527.04/714,180 = 291,172/x
  3. Step 3: Cross multiply
    517,527.04x = 714,180 × 291,172
  4. Step 4: Simplify right side
    517,527.04x = 207,949,218,960
  5. Step 5: Solve for x
    x = 207,949,218,960/517,527.04
  6. Step 6: Final answer
    x = 401,813.24

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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.