Home / 903,797.45-1,247,263.43-495,899.18

Finding the Fourth Proportional to 903,797.45, 1,247,263.43 and 495,899.18

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Solution

The fourth proportional to 903,797.45, 1,247,263.43 and 495,899.18 is: 684,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,797.45 : 1,247,263.43 = 495,899.18 : x
  2. Step 2: Convert to fraction form
    903,797.45/1,247,263.43 = 495,899.18/x
  3. Step 3: Cross multiply
    903,797.45x = 1,247,263.43 × 495,899.18
  4. Step 4: Simplify right side
    903,797.45x = 618,516,912,180.99
  5. Step 5: Solve for x
    x = 618,516,912,180.99/903,797.45
  6. Step 6: Final answer
    x = 684,353.46

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Double scale
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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.