Home / 903,406.72-1,246,692.76-495,500.28

Finding the Fourth Proportional to 903,406.72, 1,246,692.76 and 495,500.28

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Solution

The fourth proportional to 903,406.72, 1,246,692.76 and 495,500.28 is: 683,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,406.72 : 1,246,692.76 = 495,500.28 : x
  2. Step 2: Convert to fraction form
    903,406.72/1,246,692.76 = 495,500.28/x
  3. Step 3: Cross multiply
    903,406.72x = 1,246,692.76 × 495,500.28
  4. Step 4: Simplify right side
    903,406.72x = 617,736,611,653.97
  5. Step 5: Solve for x
    x = 617,736,611,653.97/903,406.72
  6. Step 6: Final answer
    x = 683,785.72

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Double scale
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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.