Home / 756,500.28-1,043,564.61-484,275.27

Finding the Fourth Proportional to 756,500.28, 1,043,564.61 and 484,275.27

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Solution

The fourth proportional to 756,500.28, 1,043,564.61 and 484,275.27 is: 668,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,500.28 : 1,043,564.61 = 484,275.27 : x
  2. Step 2: Convert to fraction form
    756,500.28/1,043,564.61 = 484,275.27/x
  3. Step 3: Cross multiply
    756,500.28x = 1,043,564.61 × 484,275.27
  4. Step 4: Simplify right side
    756,500.28x = 505,372,533,270.20
  5. Step 5: Solve for x
    x = 505,372,533,270.20/756,500.28
  6. Step 6: Final answer
    x = 668,040.11

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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.