Home / 903,919.83-1,247,405.94-496,028.49

Finding the Fourth Proportional to 903,919.83, 1,247,405.94 and 496,028.49

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Solution

The fourth proportional to 903,919.83, 1,247,405.94 and 496,028.49 is: 684,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,919.83 : 1,247,405.94 = 496,028.49 : x
  2. Step 2: Convert to fraction form
    903,919.83/1,247,405.94 = 496,028.49/x
  3. Step 3: Cross multiply
    903,919.83x = 1,247,405.94 × 496,028.49
  4. Step 4: Simplify right side
    903,919.83x = 618,748,884,835.23
  5. Step 5: Solve for x
    x = 618,748,884,835.23/903,919.83
  6. Step 6: Final answer
    x = 684,517.44

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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.