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Finding the Fourth Proportional to 637,621.70, 954,358.95 and 496,616.90

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Solution

The fourth proportional to 637,621.70, 954,358.95 and 496,616.90 is: 743,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,621.70 : 954,358.95 = 496,616.90 : x
  2. Step 2: Convert to fraction form
    637,621.70/954,358.95 = 496,616.90/x
  3. Step 3: Cross multiply
    637,621.70x = 954,358.95 × 496,616.90
  4. Step 4: Simplify right side
    637,621.70x = 473,950,783,236.26
  5. Step 5: Solve for x
    x = 473,950,783,236.26/637,621.70
  6. Step 6: Final answer
    x = 743,310.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.