Home / 811,673.82-1,120,102.67-484,969.07

Finding the Fourth Proportional to 811,673.82, 1,120,102.67 and 484,969.07

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Solution

The fourth proportional to 811,673.82, 1,120,102.67 and 484,969.07 is: 669,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,673.82 : 1,120,102.67 = 484,969.07 : x
  2. Step 2: Convert to fraction form
    811,673.82/1,120,102.67 = 484,969.07/x
  3. Step 3: Cross multiply
    811,673.82x = 1,120,102.67 × 484,969.07
  4. Step 4: Simplify right side
    811,673.82x = 543,215,154,187.10
  5. Step 5: Solve for x
    x = 543,215,154,187.10/811,673.82
  6. Step 6: Final answer
    x = 669,253.02

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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.