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Finding the Fourth Proportional to 538,894.07, 808,341.05 and 302,255.20

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Solution

The fourth proportional to 538,894.07, 808,341.05 and 302,255.20 is: 453,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,894.07 : 808,341.05 = 302,255.20 : x
  2. Step 2: Convert to fraction form
    538,894.07/808,341.05 = 302,255.20/x
  3. Step 3: Cross multiply
    538,894.07x = 808,341.05 × 302,255.20
  4. Step 4: Simplify right side
    538,894.07x = 244,325,285,735.96
  5. Step 5: Solve for x
    x = 244,325,285,735.96/538,894.07
  6. Step 6: Final answer
    x = 453,382.77

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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.