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Finding the Fourth Proportional to 694,444.01, 958,482.60 and 422,599.48

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Solution

The fourth proportional to 694,444.01, 958,482.60 and 422,599.48 is: 583,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,444.01 : 958,482.60 = 422,599.48 : x
  2. Step 2: Convert to fraction form
    694,444.01/958,482.60 = 422,599.48/x
  3. Step 3: Cross multiply
    694,444.01x = 958,482.60 × 422,599.48
  4. Step 4: Simplify right side
    694,444.01x = 405,054,245,952.84
  5. Step 5: Solve for x
    x = 405,054,245,952.84/694,444.01
  6. Step 6: Final answer
    x = 583,278.48

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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.