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Finding the Fourth Proportional to 550,656.92, 824,912.03 and 310,035.32

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Solution

The fourth proportional to 550,656.92, 824,912.03 and 310,035.32 is: 464,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,656.92 : 824,912.03 = 310,035.32 : x
  2. Step 2: Convert to fraction form
    550,656.92/824,912.03 = 310,035.32/x
  3. Step 3: Cross multiply
    550,656.92x = 824,912.03 × 310,035.32
  4. Step 4: Simplify right side
    550,656.92x = 255,751,867,256.91
  5. Step 5: Solve for x
    x = 255,751,867,256.91/550,656.92
  6. Step 6: Final answer
    x = 464,448.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.