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Finding the Fourth Proportional to 608,905.62, 840,268.98 and 336,984.93

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Solution

The fourth proportional to 608,905.62, 840,268.98 and 336,984.93 is: 465,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,905.62 : 840,268.98 = 336,984.93 : x
  2. Step 2: Convert to fraction form
    608,905.62/840,268.98 = 336,984.93/x
  3. Step 3: Cross multiply
    608,905.62x = 840,268.98 × 336,984.93
  4. Step 4: Simplify right side
    608,905.62x = 283,157,983,406.47
  5. Step 5: Solve for x
    x = 283,157,983,406.47/608,905.62
  6. Step 6: Final answer
    x = 465,027.71

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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.