Home / 859,279.33-1,288,567.86-372,992.59

Finding the Fourth Proportional to 859,279.33, 1,288,567.86 and 372,992.59

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Solution

The fourth proportional to 859,279.33, 1,288,567.86 and 372,992.59 is: 559,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,279.33 : 1,288,567.86 = 372,992.59 : x
  2. Step 2: Convert to fraction form
    859,279.33/1,288,567.86 = 372,992.59/x
  3. Step 3: Cross multiply
    859,279.33x = 1,288,567.86 × 372,992.59
  4. Step 4: Simplify right side
    859,279.33x = 480,626,263,492.16
  5. Step 5: Solve for x
    x = 480,626,263,492.16/859,279.33
  6. Step 6: Final answer
    x = 559,336.47

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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.