Home / 775,617.12-1,070,392.32-436,107.24

Finding the Fourth Proportional to 775,617.12, 1,070,392.32 and 436,107.24

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Solution

The fourth proportional to 775,617.12, 1,070,392.32 and 436,107.24 is: 601,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,617.12 : 1,070,392.32 = 436,107.24 : x
  2. Step 2: Convert to fraction form
    775,617.12/1,070,392.32 = 436,107.24/x
  3. Step 3: Cross multiply
    775,617.12x = 1,070,392.32 × 436,107.24
  4. Step 4: Simplify right side
    775,617.12x = 466,805,840,392.40
  5. Step 5: Solve for x
    x = 466,805,840,392.40/775,617.12
  6. Step 6: Final answer
    x = 601,850.87

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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.