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Finding the Fourth Proportional to 484,477.60, 726,716.40 and 297,853.60

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Solution

The fourth proportional to 484,477.60, 726,716.40 and 297,853.60 is: 446,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,477.60 : 726,716.40 = 297,853.60 : x
  2. Step 2: Convert to fraction form
    484,477.60/726,716.40 = 297,853.60/x
  3. Step 3: Cross multiply
    484,477.60x = 726,716.40 × 297,853.60
  4. Step 4: Simplify right side
    484,477.60x = 216,455,095,919.04
  5. Step 5: Solve for x
    x = 216,455,095,919.04/484,477.60
  6. Step 6: Final answer
    x = 446,780.40

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Similar ratio
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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.