Home / 884,429.52-1,220,513.85-482,021.52

Finding the Fourth Proportional to 884,429.52, 1,220,513.85 and 482,021.52

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Solution

The fourth proportional to 884,429.52, 1,220,513.85 and 482,021.52 is: 665,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,429.52 : 1,220,513.85 = 482,021.52 : x
  2. Step 2: Convert to fraction form
    884,429.52/1,220,513.85 = 482,021.52/x
  3. Step 3: Cross multiply
    884,429.52x = 1,220,513.85 × 482,021.52
  4. Step 4: Simplify right side
    884,429.52x = 588,313,941,158.05
  5. Step 5: Solve for x
    x = 588,313,941,158.05/884,429.52
  6. Step 6: Final answer
    x = 665,190.30

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1.5x scale

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.