Home / 896,348-1,236,986.64-493,965.92

Finding the Fourth Proportional to 896,348, 1,236,986.64 and 493,965.92

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Solution

The fourth proportional to 896,348, 1,236,986.64 and 493,965.92 is: 681,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,348 : 1,236,986.64 = 493,965.92 : x
  2. Step 2: Convert to fraction form
    896,348/1,236,986.64 = 493,965.92/x
  3. Step 3: Cross multiply
    896,348x = 1,236,986.64 × 493,965.92
  4. Step 4: Simplify right side
    896,348x = 611,029,243,655.31
  5. Step 5: Solve for x
    x = 611,029,243,655.31/896,348
  6. Step 6: Final answer
    x = 681,687.52

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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.