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Finding the Fourth Proportional to 379,901.40, 569,852.10 and 362,405.40

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Solution

The fourth proportional to 379,901.40, 569,852.10 and 362,405.40 is: 543,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,901.40 : 569,852.10 = 362,405.40 : x
  2. Step 2: Convert to fraction form
    379,901.40/569,852.10 = 362,405.40/x
  3. Step 3: Cross multiply
    379,901.40x = 569,852.10 × 362,405.40
  4. Step 4: Simplify right side
    379,901.40x = 206,517,478,241.34
  5. Step 5: Solve for x
    x = 206,517,478,241.34/379,901.40
  6. Step 6: Final answer
    x = 543,608.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.