Home / 896,739.28-1,237,499.08-494,338

Finding the Fourth Proportional to 896,739.28, 1,237,499.08 and 494,338

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Solution

The fourth proportional to 896,739.28, 1,237,499.08 and 494,338 is: 682,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,739.28 : 1,237,499.08 = 494,338 : x
  2. Step 2: Convert to fraction form
    896,739.28/1,237,499.08 = 494,338/x
  3. Step 3: Cross multiply
    896,739.28x = 1,237,499.08 × 494,338
  4. Step 4: Simplify right side
    896,739.28x = 611,742,820,209.04
  5. Step 5: Solve for x
    x = 611,742,820,209.04/896,739.28
  6. Step 6: Final answer
    x = 682,185.82

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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.