Home / 837,964.32-1,256,949.06-206,878.20

Finding the Fourth Proportional to 837,964.32, 1,256,949.06 and 206,878.20

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Solution

The fourth proportional to 837,964.32, 1,256,949.06 and 206,878.20 is: 310,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,964.32 : 1,256,949.06 = 206,878.20 : x
  2. Step 2: Convert to fraction form
    837,964.32/1,256,949.06 = 206,878.20/x
  3. Step 3: Cross multiply
    837,964.32x = 1,256,949.06 × 206,878.20
  4. Step 4: Simplify right side
    837,964.32x = 260,035,359,024.49
  5. Step 5: Solve for x
    x = 260,035,359,024.49/837,964.32
  6. Step 6: Final answer
    x = 310,317.94

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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.