Home / 948,590.82-1,309,027.50-518,861.66

Finding the Fourth Proportional to 948,590.82, 1,309,027.50 and 518,861.66

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Solution

The fourth proportional to 948,590.82, 1,309,027.50 and 518,861.66 is: 716,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,590.82 : 1,309,027.50 = 518,861.66 : x
  2. Step 2: Convert to fraction form
    948,590.82/1,309,027.50 = 518,861.66/x
  3. Step 3: Cross multiply
    948,590.82x = 1,309,027.50 × 518,861.66
  4. Step 4: Simplify right side
    948,590.82x = 679,204,175,090.51
  5. Step 5: Solve for x
    x = 679,204,175,090.51/948,590.82
  6. Step 6: Final answer
    x = 716,013.86

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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.