Home / 690,117.22-1,035,387.09-353,396.28

Finding the Fourth Proportional to 690,117.22, 1,035,387.09 and 353,396.28

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Solution

The fourth proportional to 690,117.22, 1,035,387.09 and 353,396.28 is: 530,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,117.22 : 1,035,387.09 = 353,396.28 : x
  2. Step 2: Convert to fraction form
    690,117.22/1,035,387.09 = 353,396.28/x
  3. Step 3: Cross multiply
    690,117.22x = 1,035,387.09 × 353,396.28
  4. Step 4: Simplify right side
    690,117.22x = 365,901,945,082.54
  5. Step 5: Solve for x
    x = 365,901,945,082.54/690,117.22
  6. Step 6: Final answer
    x = 530,202.60

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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.