Home / 903,283.56-1,246,441.50-521,433.36

Finding the Fourth Proportional to 903,283.56, 1,246,441.50 and 521,433.36

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Solution

The fourth proportional to 903,283.56, 1,246,441.50 and 521,433.36 is: 719,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,283.56 : 1,246,441.50 = 521,433.36 : x
  2. Step 2: Convert to fraction form
    903,283.56/1,246,441.50 = 521,433.36/x
  3. Step 3: Cross multiply
    903,283.56x = 1,246,441.50 × 521,433.36
  4. Step 4: Simplify right side
    903,283.56x = 649,936,179,388.44
  5. Step 5: Solve for x
    x = 649,936,179,388.44/903,283.56
  6. Step 6: Final answer
    x = 719,526.19

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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.