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Finding the Fourth Proportional to 671,862.46, 927,170.19 and 370,056.46

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Solution

The fourth proportional to 671,862.46, 927,170.19 and 370,056.46 is: 510,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,862.46 : 927,170.19 = 370,056.46 : x
  2. Step 2: Convert to fraction form
    671,862.46/927,170.19 = 370,056.46/x
  3. Step 3: Cross multiply
    671,862.46x = 927,170.19 × 370,056.46
  4. Step 4: Simplify right side
    671,862.46x = 343,105,318,328.93
  5. Step 5: Solve for x
    x = 343,105,318,328.93/671,862.46
  6. Step 6: Final answer
    x = 510,677.91

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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.