Home / 715,785.48-1,072,890.90-294,831.72

Finding the Fourth Proportional to 715,785.48, 1,072,890.90 and 294,831.72

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Solution

The fourth proportional to 715,785.48, 1,072,890.90 and 294,831.72 is: 441,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,785.48 : 1,072,890.90 = 294,831.72 : x
  2. Step 2: Convert to fraction form
    715,785.48/1,072,890.90 = 294,831.72/x
  3. Step 3: Cross multiply
    715,785.48x = 1,072,890.90 × 294,831.72
  4. Step 4: Simplify right side
    715,785.48x = 316,322,269,419.35
  5. Step 5: Solve for x
    x = 316,322,269,419.35/715,785.48
  6. Step 6: Final answer
    x = 441,923.28

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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.