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Finding the Fourth Proportional to 630,302.34, 869,829.39 and 343,832.94

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Solution

The fourth proportional to 630,302.34, 869,829.39 and 343,832.94 is: 474,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,302.34 : 869,829.39 = 343,832.94 : x
  2. Step 2: Convert to fraction form
    630,302.34/869,829.39 = 343,832.94/x
  3. Step 3: Cross multiply
    630,302.34x = 869,829.39 × 343,832.94
  4. Step 4: Simplify right side
    630,302.34x = 299,075,996,462.11
  5. Step 5: Solve for x
    x = 299,075,996,462.11/630,302.34
  6. Step 6: Final answer
    x = 474,496.09

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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.