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Finding the Fourth Proportional to 630,883.44, 870,614.56 and 344,403.44

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Solution

The fourth proportional to 630,883.44, 870,614.56 and 344,403.44 is: 475,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,883.44 : 870,614.56 = 344,403.44 : x
  2. Step 2: Convert to fraction form
    630,883.44/870,614.56 = 344,403.44/x
  3. Step 3: Cross multiply
    630,883.44x = 870,614.56 × 344,403.44
  4. Step 4: Simplify right side
    630,883.44x = 299,842,649,378.09
  5. Step 5: Solve for x
    x = 299,842,649,378.09/630,883.44
  6. Step 6: Final answer
    x = 475,274.24

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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.