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Finding the Fourth Proportional to 507,626.79, 700,500.92 and 303,789.86

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Solution

The fourth proportional to 507,626.79, 700,500.92 and 303,789.86 is: 419,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,626.79 : 700,500.92 = 303,789.86 : x
  2. Step 2: Convert to fraction form
    507,626.79/700,500.92 = 303,789.86/x
  3. Step 3: Cross multiply
    507,626.79x = 700,500.92 × 303,789.86
  4. Step 4: Simplify right side
    507,626.79x = 212,805,076,416.67
  5. Step 5: Solve for x
    x = 212,805,076,416.67/507,626.79
  6. Step 6: Final answer
    x = 419,215.61

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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.