Home / 774,689.03-1,162,100.53-213,723.53

Finding the Fourth Proportional to 774,689.03, 1,162,100.53 and 213,723.53

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Solution

The fourth proportional to 774,689.03, 1,162,100.53 and 213,723.53 is: 320,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,689.03 : 1,162,100.53 = 213,723.53 : x
  2. Step 2: Convert to fraction form
    774,689.03/1,162,100.53 = 213,723.53/x
  3. Step 3: Cross multiply
    774,689.03x = 1,162,100.53 × 213,723.53
  4. Step 4: Simplify right side
    774,689.03x = 248,368,227,486.47
  5. Step 5: Solve for x
    x = 248,368,227,486.47/774,689.03
  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.