Home / 703,768.31-972,007.39-463,125.18

Finding the Fourth Proportional to 703,768.31, 972,007.39 and 463,125.18

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Solution

The fourth proportional to 703,768.31, 972,007.39 and 463,125.18 is: 639,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,768.31 : 972,007.39 = 463,125.18 : x
  2. Step 2: Convert to fraction form
    703,768.31/972,007.39 = 463,125.18/x
  3. Step 3: Cross multiply
    703,768.31x = 972,007.39 × 463,125.18
  4. Step 4: Simplify right side
    703,768.31x = 450,161,096,297.27
  5. Step 5: Solve for x
    x = 450,161,096,297.27/703,768.31
  6. Step 6: Final answer
    x = 639,643.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.