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Finding the Fourth Proportional to 650,816.80, 975,188.40 and 482,855.20

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Solution

The fourth proportional to 650,816.80, 975,188.40 and 482,855.20 is: 723,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,816.80 : 975,188.40 = 482,855.20 : x
  2. Step 2: Convert to fraction form
    650,816.80/975,188.40 = 482,855.20/x
  3. Step 3: Cross multiply
    650,816.80x = 975,188.40 × 482,855.20
  4. Step 4: Simplify right side
    650,816.80x = 470,874,789,919.68
  5. Step 5: Solve for x
    x = 470,874,789,919.68/650,816.80
  6. Step 6: Final answer
    x = 723,513.58

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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.