Home / 666,542.30-999,812.73-217,263.02

Finding the Fourth Proportional to 666,542.30, 999,812.73 and 217,263.02

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Solution

The fourth proportional to 666,542.30, 999,812.73 and 217,263.02 is: 325,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,542.30 : 999,812.73 = 217,263.02 : x
  2. Step 2: Convert to fraction form
    666,542.30/999,812.73 = 217,263.02/x
  3. Step 3: Cross multiply
    666,542.30x = 999,812.73 × 217,263.02
  4. Step 4: Simplify right side
    666,542.30x = 217,222,333,154.25
  5. Step 5: Solve for x
    x = 217,222,333,154.25/666,542.30
  6. Step 6: Final answer
    x = 325,894.30

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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.