Home / 671,226.42-926,333.76-384,789.54

Finding the Fourth Proportional to 671,226.42, 926,333.76 and 384,789.54

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Solution

The fourth proportional to 671,226.42, 926,333.76 and 384,789.54 is: 531,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,226.42 : 926,333.76 = 384,789.54 : x
  2. Step 2: Convert to fraction form
    671,226.42/926,333.76 = 384,789.54/x
  3. Step 3: Cross multiply
    671,226.42x = 926,333.76 × 384,789.54
  4. Step 4: Simplify right side
    671,226.42x = 356,443,541,396.87
  5. Step 5: Solve for x
    x = 356,443,541,396.87/671,226.42
  6. Step 6: Final answer
    x = 531,033.24

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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.