Home / 903,902.85-1,247,464.80-496,083.38

Finding the Fourth Proportional to 903,902.85, 1,247,464.80 and 496,083.38

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Solution

The fourth proportional to 903,902.85, 1,247,464.80 and 496,083.38 is: 684,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,902.85 : 1,247,464.80 = 496,083.38 : x
  2. Step 2: Convert to fraction form
    903,902.85/1,247,464.80 = 496,083.38/x
  3. Step 3: Cross multiply
    903,902.85x = 1,247,464.80 × 496,083.38
  4. Step 4: Simplify right side
    903,902.85x = 618,846,548,177.70
  5. Step 5: Solve for x
    x = 618,846,548,177.70/903,902.85
  6. Step 6: Final answer
    x = 684,638.34

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1.5x scale

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.