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Finding the Fourth Proportional to 630,583.72, 870,224.04 and 344,122.29

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Solution

The fourth proportional to 630,583.72, 870,224.04 and 344,122.29 is: 474,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,583.72 : 870,224.04 = 344,122.29 : x
  2. Step 2: Convert to fraction form
    630,583.72/870,224.04 = 344,122.29/x
  3. Step 3: Cross multiply
    630,583.72x = 870,224.04 × 344,122.29
  4. Step 4: Simplify right side
    630,583.72x = 299,463,489,457.85
  5. Step 5: Solve for x
    x = 299,463,489,457.85/630,583.72
  6. Step 6: Final answer
    x = 474,898.86

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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.