Home / 771,433.62-1,156,129.83-558,915.54

Finding the Fourth Proportional to 771,433.62, 1,156,129.83 and 558,915.54

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Solution

The fourth proportional to 771,433.62, 1,156,129.83 and 558,915.54 is: 837,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,433.62 : 1,156,129.83 = 558,915.54 : x
  2. Step 2: Convert to fraction form
    771,433.62/1,156,129.83 = 558,915.54/x
  3. Step 3: Cross multiply
    771,433.62x = 1,156,129.83 × 558,915.54
  4. Step 4: Simplify right side
    771,433.62x = 646,178,928,244.56
  5. Step 5: Solve for x
    x = 646,178,928,244.56/771,433.62
  6. Step 6: Final answer
    x = 837,633.87

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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.