Home / 516,828.43-713,166.10-310,085.85

Finding the Fourth Proportional to 516,828.43, 713,166.10 and 310,085.85

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Solution

The fourth proportional to 516,828.43, 713,166.10 and 310,085.85 is: 427,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,828.43 : 713,166.10 = 310,085.85 : x
  2. Step 2: Convert to fraction form
    516,828.43/713,166.10 = 310,085.85/x
  3. Step 3: Cross multiply
    516,828.43x = 713,166.10 × 310,085.85
  4. Step 4: Simplify right side
    516,828.43x = 221,142,716,309.69
  5. Step 5: Solve for x
    x = 221,142,716,309.69/516,828.43
  6. Step 6: Final answer
    x = 427,884.19

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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.