Home / 516,704.13-713,075.97-287,265.18

Finding the Fourth Proportional to 516,704.13, 713,075.97 and 287,265.18

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Solution

The fourth proportional to 516,704.13, 713,075.97 and 287,265.18 is: 396,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,704.13 : 713,075.97 = 287,265.18 : x
  2. Step 2: Convert to fraction form
    516,704.13/713,075.97 = 287,265.18/x
  3. Step 3: Cross multiply
    516,704.13x = 713,075.97 × 287,265.18
  4. Step 4: Simplify right side
    516,704.13x = 204,841,896,875.73
  5. Step 5: Solve for x
    x = 204,841,896,875.73/516,704.13
  6. Step 6: Final answer
    x = 396,439.44

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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.