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Finding the Fourth Proportional to 608,757.71, 840,054.98 and 333,109.59

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Solution

The fourth proportional to 608,757.71, 840,054.98 and 333,109.59 is: 459,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,757.71 : 840,054.98 = 333,109.59 : x
  2. Step 2: Convert to fraction form
    608,757.71/840,054.98 = 333,109.59/x
  3. Step 3: Cross multiply
    608,757.71x = 840,054.98 × 333,109.59
  4. Step 4: Simplify right side
    608,757.71x = 279,830,368,299.71
  5. Step 5: Solve for x
    x = 279,830,368,299.71/608,757.71
  6. Step 6: Final answer
    x = 459,674.46

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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.