Home / 690,292.26-1,035,509.09-264,186.45

Finding the Fourth Proportional to 690,292.26, 1,035,509.09 and 264,186.45

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Solution

The fourth proportional to 690,292.26, 1,035,509.09 and 264,186.45 is: 396,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,292.26 : 1,035,509.09 = 264,186.45 : x
  2. Step 2: Convert to fraction form
    690,292.26/1,035,509.09 = 264,186.45/x
  3. Step 3: Cross multiply
    690,292.26x = 1,035,509.09 × 264,186.45
  4. Step 4: Simplify right side
    690,292.26x = 273,567,470,429.83
  5. Step 5: Solve for x
    x = 273,567,470,429.83/690,292.26
  6. Step 6: Final answer
    x = 396,306.73

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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.