Home / 738,103.92-1,018,586.52-415,817.88

Finding the Fourth Proportional to 738,103.92, 1,018,586.52 and 415,817.88

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Solution

The fourth proportional to 738,103.92, 1,018,586.52 and 415,817.88 is: 573,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,103.92 : 1,018,586.52 = 415,817.88 : x
  2. Step 2: Convert to fraction form
    738,103.92/1,018,586.52 = 415,817.88/x
  3. Step 3: Cross multiply
    738,103.92x = 1,018,586.52 × 415,817.88
  4. Step 4: Simplify right side
    738,103.92x = 423,546,487,342.98
  5. Step 5: Solve for x
    x = 423,546,487,342.98/738,103.92
  6. Step 6: Final answer
    x = 573,830.43

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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.