Home / 715,785.22-1,072,890.50-294,831.46

Finding the Fourth Proportional to 715,785.22, 1,072,890.50 and 294,831.46

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Solution

The fourth proportional to 715,785.22, 1,072,890.50 and 294,831.46 is: 441,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,785.22 : 1,072,890.50 = 294,831.46 : x
  2. Step 2: Convert to fraction form
    715,785.22/1,072,890.50 = 294,831.46/x
  3. Step 3: Cross multiply
    715,785.22x = 1,072,890.50 × 294,831.46
  4. Step 4: Simplify right side
    715,785.22x = 316,321,872,535.13
  5. Step 5: Solve for x
    x = 316,321,872,535.13/715,785.22
  6. Step 6: Final answer
    x = 441,922.89

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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.