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Finding the Fourth Proportional to 503,926, 695,172.90 and 322,492.48

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Solution

The fourth proportional to 503,926, 695,172.90 and 322,492.48 is: 444,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,926 : 695,172.90 = 322,492.48 : x
  2. Step 2: Convert to fraction form
    503,926/695,172.90 = 322,492.48/x
  3. Step 3: Cross multiply
    503,926x = 695,172.90 × 322,492.48
  4. Step 4: Simplify right side
    503,926x = 224,188,032,549.79
  5. Step 5: Solve for x
    x = 224,188,032,549.79/503,926
  6. Step 6: Final answer
    x = 444,882.85

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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.