Home / 572,665.95-789,915.78-351,806.63

Finding the Fourth Proportional to 572,665.95, 789,915.78 and 351,806.63

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Solution

The fourth proportional to 572,665.95, 789,915.78 and 351,806.63 is: 485,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,665.95 : 789,915.78 = 351,806.63 : x
  2. Step 2: Convert to fraction form
    572,665.95/789,915.78 = 351,806.63/x
  3. Step 3: Cross multiply
    572,665.95x = 789,915.78 × 351,806.63
  4. Step 4: Simplify right side
    572,665.95x = 277,897,604,596.04
  5. Step 5: Solve for x
    x = 277,897,604,596.04/572,665.95
  6. Step 6: Final answer
    x = 485,270.00

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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.