Home / 787,563.97-1,181,591.08-282,129.30

Finding the Fourth Proportional to 787,563.97, 1,181,591.08 and 282,129.30

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Solution

The fourth proportional to 787,563.97, 1,181,591.08 and 282,129.30 is: 423,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,563.97 : 1,181,591.08 = 282,129.30 : x
  2. Step 2: Convert to fraction form
    787,563.97/1,181,591.08 = 282,129.30/x
  3. Step 3: Cross multiply
    787,563.97x = 1,181,591.08 × 282,129.30
  4. Step 4: Simplify right side
    787,563.97x = 333,361,463,581.32
  5. Step 5: Solve for x
    x = 333,361,463,581.32/787,563.97
  6. Step 6: Final answer
    x = 423,281.76

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1.5x scale

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.