Home / 516,350.31-774,828.60-216,807.85

Finding the Fourth Proportional to 516,350.31, 774,828.60 and 216,807.85

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Solution

The fourth proportional to 516,350.31, 774,828.60 and 216,807.85 is: 325,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,350.31 : 774,828.60 = 216,807.85 : x
  2. Step 2: Convert to fraction form
    516,350.31/774,828.60 = 216,807.85/x
  3. Step 3: Cross multiply
    516,350.31x = 774,828.60 × 216,807.85
  4. Step 4: Simplify right side
    516,350.31x = 167,988,922,884.51
  5. Step 5: Solve for x
    x = 167,988,922,884.51/516,350.31
  6. Step 6: Final answer
    x = 325,339.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.