Home / 903,614.72-1,246,988.96-501,206.72

Finding the Fourth Proportional to 903,614.72, 1,246,988.96 and 501,206.72

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Solution

The fourth proportional to 903,614.72, 1,246,988.96 and 501,206.72 is: 691,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,614.72 : 1,246,988.96 = 501,206.72 : x
  2. Step 2: Convert to fraction form
    903,614.72/1,246,988.96 = 501,206.72/x
  3. Step 3: Cross multiply
    903,614.72x = 1,246,988.96 × 501,206.72
  4. Step 4: Simplify right side
    903,614.72x = 624,999,246,517.81
  5. Step 5: Solve for x
    x = 624,999,246,517.81/903,614.72
  6. Step 6: Final answer
    x = 691,665.63

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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.