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Finding the Fourth Proportional to 608,919.36, 840,287.98 and 336,998.71

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Solution

The fourth proportional to 608,919.36, 840,287.98 and 336,998.71 is: 465,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,919.36 : 840,287.98 = 336,998.71 : x
  2. Step 2: Convert to fraction form
    608,919.36/840,287.98 = 336,998.71/x
  3. Step 3: Cross multiply
    608,919.36x = 840,287.98 × 336,998.71
  4. Step 4: Simplify right side
    608,919.36x = 283,175,964,864.50
  5. Step 5: Solve for x
    x = 283,175,964,864.50/608,919.36
  6. Step 6: Final answer
    x = 465,046.75

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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.