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Finding the Fourth Proportional to 630,537.56, 870,162.83 and 344,073.36

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Solution

The fourth proportional to 630,537.56, 870,162.83 and 344,073.36 is: 474,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,537.56 : 870,162.83 = 344,073.36 : x
  2. Step 2: Convert to fraction form
    630,537.56/870,162.83 = 344,073.36/x
  3. Step 3: Cross multiply
    630,537.56x = 870,162.83 × 344,073.36
  4. Step 4: Simplify right side
    630,537.56x = 299,399,848,665.21
  5. Step 5: Solve for x
    x = 299,399,848,665.21/630,537.56
  6. Step 6: Final answer
    x = 474,832.69

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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.