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Finding the Fourth Proportional to 630,593.84, 870,238.01 and 344,132.42

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Solution

The fourth proportional to 630,593.84, 870,238.01 and 344,132.42 is: 474,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,593.84 : 870,238.01 = 344,132.42 : x
  2. Step 2: Convert to fraction form
    630,593.84/870,238.01 = 344,132.42/x
  3. Step 3: Cross multiply
    630,593.84x = 870,238.01 × 344,132.42
  4. Step 4: Simplify right side
    630,593.84x = 299,477,108,866.43
  5. Step 5: Solve for x
    x = 299,477,108,866.43/630,593.84
  6. Step 6: Final answer
    x = 474,912.83

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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.