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Finding the Fourth Proportional to 473,812.22, 713,915.06 and 391,418.20

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Solution

The fourth proportional to 473,812.22, 713,915.06 and 391,418.20 is: 589,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,812.22 : 713,915.06 = 391,418.20 : x
  2. Step 2: Convert to fraction form
    473,812.22/713,915.06 = 391,418.20/x
  3. Step 3: Cross multiply
    473,812.22x = 713,915.06 × 391,418.20
  4. Step 4: Simplify right side
    473,812.22x = 279,439,347,738.09
  5. Step 5: Solve for x
    x = 279,439,347,738.09/473,812.22
  6. Step 6: Final answer
    x = 589,768.13

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.