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Finding the Fourth Proportional to 807,246, 1,113,999.75 and 467,911.08

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Solution

The fourth proportional to 807,246, 1,113,999.75 and 467,911.08 is: 645,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,246 : 1,113,999.75 = 467,911.08 : x
  2. Step 2: Convert to fraction form
    807,246/1,113,999.75 = 467,911.08/x
  3. Step 3: Cross multiply
    807,246x = 1,113,999.75 × 467,911.08
  4. Step 4: Simplify right side
    807,246x = 521,252,826,142.23
  5. Step 5: Solve for x
    x = 521,252,826,142.23/807,246
  6. Step 6: Final answer
    x = 645,717.45

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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.