Home / 690,272.26-1,035,479.06-264,166.48

Finding the Fourth Proportional to 690,272.26, 1,035,479.06 and 264,166.48

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Solution

The fourth proportional to 690,272.26, 1,035,479.06 and 264,166.48 is: 396,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,272.26 : 1,035,479.06 = 264,166.48 : x
  2. Step 2: Convert to fraction form
    690,272.26/1,035,479.06 = 264,166.48/x
  3. Step 3: Cross multiply
    690,272.26x = 1,035,479.06 × 264,166.48
  4. Step 4: Simplify right side
    690,272.26x = 273,538,858,393.91
  5. Step 5: Solve for x
    x = 273,538,858,393.91/690,272.26
  6. Step 6: Final answer
    x = 396,276.77

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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.