Home / 672,831.88-1,009,348.62-217,270.89

Finding the Fourth Proportional to 672,831.88, 1,009,348.62 and 217,270.89

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Solution

The fourth proportional to 672,831.88, 1,009,348.62 and 217,270.89 is: 325,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,831.88 : 1,009,348.62 = 217,270.89 : x
  2. Step 2: Convert to fraction form
    672,831.88/1,009,348.62 = 217,270.89/x
  3. Step 3: Cross multiply
    672,831.88x = 1,009,348.62 × 217,270.89
  4. Step 4: Simplify right side
    672,831.88x = 219,302,072,172.91
  5. Step 5: Solve for x
    x = 219,302,072,172.91/672,831.88
  6. Step 6: Final answer
    x = 325,938.89

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1.5x scale

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.