Home / 774,689.04-1,162,100.52-213,723.54

Finding the Fourth Proportional to 774,689.04, 1,162,100.52 and 213,723.54

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Solution

The fourth proportional to 774,689.04, 1,162,100.52 and 213,723.54 is: 320,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,689.04 : 1,162,100.52 = 213,723.54 : x
  2. Step 2: Convert to fraction form
    774,689.04/1,162,100.52 = 213,723.54/x
  3. Step 3: Cross multiply
    774,689.04x = 1,162,100.52 × 213,723.54
  4. Step 4: Simplify right side
    774,689.04x = 248,368,236,970.24
  5. Step 5: Solve for x
    x = 248,368,236,970.24/774,689.04
  6. Step 6: Final answer
    x = 320,603.78

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1.5x scale

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.