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Finding the Fourth Proportional to 651,502.92, 899,099.82 and 365,025.36

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Solution

The fourth proportional to 651,502.92, 899,099.82 and 365,025.36 is: 503,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,502.92 : 899,099.82 = 365,025.36 : x
  2. Step 2: Convert to fraction form
    651,502.92/899,099.82 = 365,025.36/x
  3. Step 3: Cross multiply
    651,502.92x = 899,099.82 × 365,025.36
  4. Step 4: Simplify right side
    651,502.92x = 328,194,235,471.44
  5. Step 5: Solve for x
    x = 328,194,235,471.44/651,502.92
  6. Step 6: Final answer
    x = 503,749.45

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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.