Home / 690,629.10-1,036,057.05-217,200.30

Finding the Fourth Proportional to 690,629.10, 1,036,057.05 and 217,200.30

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Solution

The fourth proportional to 690,629.10, 1,036,057.05 and 217,200.30 is: 325,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,629.10 : 1,036,057.05 = 217,200.30 : x
  2. Step 2: Convert to fraction form
    690,629.10/1,036,057.05 = 217,200.30/x
  3. Step 3: Cross multiply
    690,629.10x = 1,036,057.05 × 217,200.30
  4. Step 4: Simplify right side
    690,629.10x = 225,031,902,077.12
  5. Step 5: Solve for x
    x = 225,031,902,077.12/690,629.10
  6. Step 6: Final answer
    x = 325,836.11

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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.