Home / 516,417.34-774,625.40-179,458.02

Finding the Fourth Proportional to 516,417.34, 774,625.40 and 179,458.02

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Solution

The fourth proportional to 516,417.34, 774,625.40 and 179,458.02 is: 269,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,417.34 : 774,625.40 = 179,458.02 : x
  2. Step 2: Convert to fraction form
    516,417.34/774,625.40 = 179,458.02/x
  3. Step 3: Cross multiply
    516,417.34x = 774,625.40 × 179,458.02
  4. Step 4: Simplify right side
    516,417.34x = 139,012,737,833.65
  5. Step 5: Solve for x
    x = 139,012,737,833.65/516,417.34
  6. Step 6: Final answer
    x = 269,186.82

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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.