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Finding the Fourth Proportional to 580,202.52, 800,737.02 and 389,612.76

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Solution

The fourth proportional to 580,202.52, 800,737.02 and 389,612.76 is: 537,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,202.52 : 800,737.02 = 389,612.76 : x
  2. Step 2: Convert to fraction form
    580,202.52/800,737.02 = 389,612.76/x
  3. Step 3: Cross multiply
    580,202.52x = 800,737.02 × 389,612.76
  4. Step 4: Simplify right side
    580,202.52x = 311,977,360,396.38
  5. Step 5: Solve for x
    x = 311,977,360,396.38/580,202.52
  6. Step 6: Final answer
    x = 537,704.25

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1.5x scale

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.