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Finding the Fourth Proportional to 671,012.52, 925,997.28 and 365,089.04

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Solution

The fourth proportional to 671,012.52, 925,997.28 and 365,089.04 is: 503,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,012.52 : 925,997.28 = 365,089.04 : x
  2. Step 2: Convert to fraction form
    671,012.52/925,997.28 = 365,089.04/x
  3. Step 3: Cross multiply
    671,012.52x = 925,997.28 × 365,089.04
  4. Step 4: Simplify right side
    671,012.52x = 338,071,457,997.81
  5. Step 5: Solve for x
    x = 338,071,457,997.81/671,012.52
  6. Step 6: Final answer
    x = 503,822.88

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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.