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Finding the Fourth Proportional to 507,903.08, 700,914.11 and 278,481.29

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Solution

The fourth proportional to 507,903.08, 700,914.11 and 278,481.29 is: 384,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,903.08 : 700,914.11 = 278,481.29 : x
  2. Step 2: Convert to fraction form
    507,903.08/700,914.11 = 278,481.29/x
  3. Step 3: Cross multiply
    507,903.08x = 700,914.11 × 278,481.29
  4. Step 4: Simplify right side
    507,903.08x = 195,191,460,635.03
  5. Step 5: Solve for x
    x = 195,191,460,635.03/507,903.08
  6. Step 6: Final answer
    x = 384,308.48

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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.