Home / 774,710.88-1,162,034.64-213,731.04

Finding the Fourth Proportional to 774,710.88, 1,162,034.64 and 213,731.04

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Solution

The fourth proportional to 774,710.88, 1,162,034.64 and 213,731.04 is: 320,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,710.88 : 1,162,034.64 = 213,731.04 : x
  2. Step 2: Convert to fraction form
    774,710.88/1,162,034.64 = 213,731.04/x
  3. Step 3: Cross multiply
    774,710.88x = 1,162,034.64 × 213,731.04
  4. Step 4: Simplify right side
    774,710.88x = 248,362,872,123.23
  5. Step 5: Solve for x
    x = 248,362,872,123.23/774,710.88
  6. Step 6: Final answer
    x = 320,587.82

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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.