Home / 903,817.62-1,246,133.52-661,679.82

Finding the Fourth Proportional to 903,817.62, 1,246,133.52 and 661,679.82

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Solution

The fourth proportional to 903,817.62, 1,246,133.52 and 661,679.82 is: 912,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,817.62 : 1,246,133.52 = 661,679.82 : x
  2. Step 2: Convert to fraction form
    903,817.62/1,246,133.52 = 661,679.82/x
  3. Step 3: Cross multiply
    903,817.62x = 1,246,133.52 × 661,679.82
  4. Step 4: Simplify right side
    903,817.62x = 824,541,403,209.57
  5. Step 5: Solve for x
    x = 824,541,403,209.57/903,817.62
  6. Step 6: Final answer
    x = 912,287.37

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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.