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Finding the Fourth Proportional to 479,224.74, 661,330.83 and 264,364.38

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Solution

The fourth proportional to 479,224.74, 661,330.83 and 264,364.38 is: 364,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,224.74 : 661,330.83 = 264,364.38 : x
  2. Step 2: Convert to fraction form
    479,224.74/661,330.83 = 264,364.38/x
  3. Step 3: Cross multiply
    479,224.74x = 661,330.83 × 264,364.38
  4. Step 4: Simplify right side
    479,224.74x = 174,832,314,847.84
  5. Step 5: Solve for x
    x = 174,832,314,847.84/479,224.74
  6. Step 6: Final answer
    x = 364,823.22

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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.