Home / 513,719.55-770,387.67-176,664.78

Finding the Fourth Proportional to 513,719.55, 770,387.67 and 176,664.78

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Solution

The fourth proportional to 513,719.55, 770,387.67 and 176,664.78 is: 264,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,719.55 : 770,387.67 = 176,664.78 : x
  2. Step 2: Convert to fraction form
    513,719.55/770,387.67 = 176,664.78/x
  3. Step 3: Cross multiply
    513,719.55x = 770,387.67 × 176,664.78
  4. Step 4: Simplify right side
    513,719.55x = 136,100,368,235.26
  5. Step 5: Solve for x
    x = 136,100,368,235.26/513,719.55
  6. Step 6: Final answer
    x = 264,931.26

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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.