Home / 803,046.96-1,108,235.82-440,486.10

Finding the Fourth Proportional to 803,046.96, 1,108,235.82 and 440,486.10

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Solution

The fourth proportional to 803,046.96, 1,108,235.82 and 440,486.10 is: 607,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,046.96 : 1,108,235.82 = 440,486.10 : x
  2. Step 2: Convert to fraction form
    803,046.96/1,108,235.82 = 440,486.10/x
  3. Step 3: Cross multiply
    803,046.96x = 1,108,235.82 × 440,486.10
  4. Step 4: Simplify right side
    803,046.96x = 488,162,475,883.93
  5. Step 5: Solve for x
    x = 488,162,475,883.93/803,046.96
  6. Step 6: Final answer
    x = 607,887.83

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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.