Home / 670,293.89-1,005,506.43-220,831.37

Finding the Fourth Proportional to 670,293.89, 1,005,506.43 and 220,831.37

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Solution

The fourth proportional to 670,293.89, 1,005,506.43 and 220,831.37 is: 331,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,293.89 : 1,005,506.43 = 220,831.37 : x
  2. Step 2: Convert to fraction form
    670,293.89/1,005,506.43 = 220,831.37/x
  3. Step 3: Cross multiply
    670,293.89x = 1,005,506.43 × 220,831.37
  4. Step 4: Simplify right side
    670,293.89x = 222,047,357,453.18
  5. Step 5: Solve for x
    x = 222,047,357,453.18/670,293.89
  6. Step 6: Final answer
    x = 331,268.66

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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.