Home / 892,486.95-1,231,653.39-484,605.98

Finding the Fourth Proportional to 892,486.95, 1,231,653.39 and 484,605.98

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Solution

The fourth proportional to 892,486.95, 1,231,653.39 and 484,605.98 is: 668,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,486.95 : 1,231,653.39 = 484,605.98 : x
  2. Step 2: Convert to fraction form
    892,486.95/1,231,653.39 = 484,605.98/x
  3. Step 3: Cross multiply
    892,486.95x = 1,231,653.39 × 484,605.98
  4. Step 4: Simplify right side
    892,486.95x = 596,866,601,160.41
  5. Step 5: Solve for x
    x = 596,866,601,160.41/892,486.95
  6. Step 6: Final answer
    x = 668,767.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.