Home / 631,739.70-947,659.23-211,017.06

Finding the Fourth Proportional to 631,739.70, 947,659.23 and 211,017.06

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Solution

The fourth proportional to 631,739.70, 947,659.23 and 211,017.06 is: 316,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,739.70 : 947,659.23 = 211,017.06 : x
  2. Step 2: Convert to fraction form
    631,739.70/947,659.23 = 211,017.06/x
  3. Step 3: Cross multiply
    631,739.70x = 947,659.23 × 211,017.06
  4. Step 4: Simplify right side
    631,739.70x = 199,972,264,596.46
  5. Step 5: Solve for x
    x = 199,972,264,596.46/631,739.70
  6. Step 6: Final answer
    x = 316,542.18

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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.