Home / 907,936.55-1,252,912.02-520,474.19

Finding the Fourth Proportional to 907,936.55, 1,252,912.02 and 520,474.19

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Solution

The fourth proportional to 907,936.55, 1,252,912.02 and 520,474.19 is: 718,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,936.55 : 1,252,912.02 = 520,474.19 : x
  2. Step 2: Convert to fraction form
    907,936.55/1,252,912.02 = 520,474.19/x
  3. Step 3: Cross multiply
    907,936.55x = 1,252,912.02 × 520,474.19
  4. Step 4: Simplify right side
    907,936.55x = 652,108,371,883.04
  5. Step 5: Solve for x
    x = 652,108,371,883.04/907,936.55
  6. Step 6: Final answer
    x = 718,231.21

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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.