Home / 913,628.24-1,369,969.28-487,049.49

Finding the Fourth Proportional to 913,628.24, 1,369,969.28 and 487,049.49

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Solution

The fourth proportional to 913,628.24, 1,369,969.28 and 487,049.49 is: 730,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,628.24 : 1,369,969.28 = 487,049.49 : x
  2. Step 2: Convert to fraction form
    913,628.24/1,369,969.28 = 487,049.49/x
  3. Step 3: Cross multiply
    913,628.24x = 1,369,969.28 × 487,049.49
  4. Step 4: Simplify right side
    913,628.24x = 667,242,839,139.67
  5. Step 5: Solve for x
    x = 667,242,839,139.67/913,628.24
  6. Step 6: Final answer
    x = 730,322.04

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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.