Home / 500,190.32-749,084.20-286,310

Finding the Fourth Proportional to 500,190.32, 749,084.20 and 286,310

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Solution

The fourth proportional to 500,190.32, 749,084.20 and 286,310 is: 428,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,190.32 : 749,084.20 = 286,310 : x
  2. Step 2: Convert to fraction form
    500,190.32/749,084.20 = 286,310/x
  3. Step 3: Cross multiply
    500,190.32x = 749,084.20 × 286,310
  4. Step 4: Simplify right side
    500,190.32x = 214,470,297,302
  5. Step 5: Solve for x
    x = 214,470,297,302/500,190.32
  6. Step 6: Final answer
    x = 428,777.38

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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.