Home / 516,836.12-713,273.67-310,112.24

Finding the Fourth Proportional to 516,836.12, 713,273.67 and 310,112.24

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Solution

The fourth proportional to 516,836.12, 713,273.67 and 310,112.24 is: 427,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,836.12 : 713,273.67 = 310,112.24 : x
  2. Step 2: Convert to fraction form
    516,836.12/713,273.67 = 310,112.24/x
  3. Step 3: Cross multiply
    516,836.12x = 713,273.67 × 310,112.24
  4. Step 4: Simplify right side
    516,836.12x = 221,194,891,970.35
  5. Step 5: Solve for x
    x = 221,194,891,970.35/516,836.12
  6. Step 6: Final answer
    x = 427,978.78

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1.5x scale

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.