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Finding the Fourth Proportional to 556,832, 768,428.70 and 302,183.24

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Solution

The fourth proportional to 556,832, 768,428.70 and 302,183.24 is: 417,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,832 : 768,428.70 = 302,183.24 : x
  2. Step 2: Convert to fraction form
    556,832/768,428.70 = 302,183.24/x
  3. Step 3: Cross multiply
    556,832x = 768,428.70 × 302,183.24
  4. Step 4: Simplify right side
    556,832x = 232,206,274,274.99
  5. Step 5: Solve for x
    x = 232,206,274,274.99/556,832
  6. Step 6: Final answer
    x = 417,013.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.