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Finding the Fourth Proportional to 668,383.61, 922,369.63 and 362,459.90

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Solution

The fourth proportional to 668,383.61, 922,369.63 and 362,459.90 is: 500,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,383.61 : 922,369.63 = 362,459.90 : x
  2. Step 2: Convert to fraction form
    668,383.61/922,369.63 = 362,459.90/x
  3. Step 3: Cross multiply
    668,383.61x = 922,369.63 × 362,459.90
  4. Step 4: Simplify right side
    668,383.61x = 334,322,005,252.61
  5. Step 5: Solve for x
    x = 334,322,005,252.61/668,383.61
  6. Step 6: Final answer
    x = 500,194.80

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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.