Home / 903,896.45-1,247,373.68-496,005.11

Finding the Fourth Proportional to 903,896.45, 1,247,373.68 and 496,005.11

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Solution

The fourth proportional to 903,896.45, 1,247,373.68 and 496,005.11 is: 684,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,896.45 : 1,247,373.68 = 496,005.11 : x
  2. Step 2: Convert to fraction form
    903,896.45/1,247,373.68 = 496,005.11/x
  3. Step 3: Cross multiply
    903,896.45x = 1,247,373.68 × 496,005.11
  4. Step 4: Simplify right side
    903,896.45x = 618,703,719,997.91
  5. Step 5: Solve for x
    x = 618,703,719,997.91/903,896.45
  6. Step 6: Final answer
    x = 684,485.18

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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.