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Finding the Fourth Proportional to 573,028.80, 858,915.45 and 288,265.20

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Solution

The fourth proportional to 573,028.80, 858,915.45 and 288,265.20 is: 432,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,028.80 : 858,915.45 = 288,265.20 : x
  2. Step 2: Convert to fraction form
    573,028.80/858,915.45 = 288,265.20/x
  3. Step 3: Cross multiply
    573,028.80x = 858,915.45 × 288,265.20
  4. Step 4: Simplify right side
    573,028.80x = 247,595,433,977.34
  5. Step 5: Solve for x
    x = 247,595,433,977.34/573,028.80
  6. Step 6: Final answer
    x = 432,082.01

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Why These Related Problems?

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