Home / 820,442.28-1,132,228.48-452,918.56

Finding the Fourth Proportional to 820,442.28, 1,132,228.48 and 452,918.56

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Solution

The fourth proportional to 820,442.28, 1,132,228.48 and 452,918.56 is: 625,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,442.28 : 1,132,228.48 = 452,918.56 : x
  2. Step 2: Convert to fraction form
    820,442.28/1,132,228.48 = 452,918.56/x
  3. Step 3: Cross multiply
    820,442.28x = 1,132,228.48 × 452,918.56
  4. Step 4: Simplify right side
    820,442.28x = 512,807,292,752.59
  5. Step 5: Solve for x
    x = 512,807,292,752.59/820,442.28
  6. Step 6: Final answer
    x = 625,037.62

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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.