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Finding the Fourth Proportional to 652,770.18, 978,222.15 and 371,706.66

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Solution

The fourth proportional to 652,770.18, 978,222.15 and 371,706.66 is: 557,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,770.18 : 978,222.15 = 371,706.66 : x
  2. Step 2: Convert to fraction form
    652,770.18/978,222.15 = 371,706.66/x
  3. Step 3: Cross multiply
    652,770.18x = 978,222.15 × 371,706.66
  4. Step 4: Simplify right side
    652,770.18x = 363,611,688,114.52
  5. Step 5: Solve for x
    x = 363,611,688,114.52/652,770.18
  6. Step 6: Final answer
    x = 557,028.64

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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.