Home / 690,020.90-1,035,243.13-353,297.97

Finding the Fourth Proportional to 690,020.90, 1,035,243.13 and 353,297.97

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Solution

The fourth proportional to 690,020.90, 1,035,243.13 and 353,297.97 is: 530,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,020.90 : 1,035,243.13 = 353,297.97 : x
  2. Step 2: Convert to fraction form
    690,020.90/1,035,243.13 = 353,297.97/x
  3. Step 3: Cross multiply
    690,020.90x = 1,035,243.13 × 353,297.97
  4. Step 4: Simplify right side
    690,020.90x = 365,749,296,285.45
  5. Step 5: Solve for x
    x = 365,749,296,285.45/690,020.90
  6. Step 6: Final answer
    x = 530,055.39

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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.