Home / 913,917.14-1,261,245.05-506,018.96

Finding the Fourth Proportional to 913,917.14, 1,261,245.05 and 506,018.96

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Solution

The fourth proportional to 913,917.14, 1,261,245.05 and 506,018.96 is: 698,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,917.14 : 1,261,245.05 = 506,018.96 : x
  2. Step 2: Convert to fraction form
    913,917.14/1,261,245.05 = 506,018.96/x
  3. Step 3: Cross multiply
    913,917.14x = 1,261,245.05 × 506,018.96
  4. Step 4: Simplify right side
    913,917.14x = 638,213,899,669.83
  5. Step 5: Solve for x
    x = 638,213,899,669.83/913,917.14
  6. Step 6: Final answer
    x = 698,327.97

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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.