Home / 917,893.96-1,266,665.09-504,429.76

Finding the Fourth Proportional to 917,893.96, 1,266,665.09 and 504,429.76

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Solution

The fourth proportional to 917,893.96, 1,266,665.09 and 504,429.76 is: 696,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,893.96 : 1,266,665.09 = 504,429.76 : x
  2. Step 2: Convert to fraction form
    917,893.96/1,266,665.09 = 504,429.76/x
  3. Step 3: Cross multiply
    917,893.96x = 1,266,665.09 × 504,429.76
  4. Step 4: Simplify right side
    917,893.96x = 638,943,558,493.60
  5. Step 5: Solve for x
    x = 638,943,558,493.60/917,893.96
  6. Step 6: Final answer
    x = 696,097.36

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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.