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Finding the Fourth Proportional to 608,902.83, 840,287.52 and 336,989.43

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Solution

The fourth proportional to 608,902.83, 840,287.52 and 336,989.43 is: 465,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,902.83 : 840,287.52 = 336,989.43 : x
  2. Step 2: Convert to fraction form
    608,902.83/840,287.52 = 336,989.43/x
  3. Step 3: Cross multiply
    608,902.83x = 840,287.52 × 336,989.43
  4. Step 4: Simplify right side
    608,902.83x = 283,168,012,400.91
  5. Step 5: Solve for x
    x = 283,168,012,400.91/608,902.83
  6. Step 6: Final answer
    x = 465,046.31

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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.