Home / 917,463.36-1,375,494.72-518,554.56

Finding the Fourth Proportional to 917,463.36, 1,375,494.72 and 518,554.56

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Solution

The fourth proportional to 917,463.36, 1,375,494.72 and 518,554.56 is: 777,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,463.36 : 1,375,494.72 = 518,554.56 : x
  2. Step 2: Convert to fraction form
    917,463.36/1,375,494.72 = 518,554.56/x
  3. Step 3: Cross multiply
    917,463.36x = 1,375,494.72 × 518,554.56
  4. Step 4: Simplify right side
    917,463.36x = 713,269,059,311.92
  5. Step 5: Solve for x
    x = 713,269,059,311.92/917,463.36
  6. Step 6: Final answer
    x = 777,436.02

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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.