Home / 505,838.34-758,535.12-269,124.66

Finding the Fourth Proportional to 505,838.34, 758,535.12 and 269,124.66

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Solution

The fourth proportional to 505,838.34, 758,535.12 and 269,124.66 is: 403,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,838.34 : 758,535.12 = 269,124.66 : x
  2. Step 2: Convert to fraction form
    505,838.34/758,535.12 = 269,124.66/x
  3. Step 3: Cross multiply
    505,838.34x = 758,535.12 × 269,124.66
  4. Step 4: Simplify right side
    505,838.34x = 204,140,506,268.06
  5. Step 5: Solve for x
    x = 204,140,506,268.06/505,838.34
  6. Step 6: Final answer
    x = 403,568.67

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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.