Home / 500,188.32-749,081.20-286,308

Finding the Fourth Proportional to 500,188.32, 749,081.20 and 286,308

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Solution

The fourth proportional to 500,188.32, 749,081.20 and 286,308 is: 428,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,188.32 : 749,081.20 = 286,308 : x
  2. Step 2: Convert to fraction form
    500,188.32/749,081.20 = 286,308/x
  3. Step 3: Cross multiply
    500,188.32x = 749,081.20 × 286,308
  4. Step 4: Simplify right side
    500,188.32x = 214,467,940,209.60
  5. Step 5: Solve for x
    x = 214,467,940,209.60/500,188.32
  6. Step 6: Final answer
    x = 428,774.39

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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.