Finding the Fourth Proportional to 943,348.38, 1,301,844.09 and 513,652.02
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Solution
The fourth proportional to 943,348.38, 1,301,844.09 and 513,652.02 is: 708,852.49
Step by Step Solution
- Step 1: Write the proportion equation
943,348.38 : 1,301,844.09 = 513,652.02 : x - Step 2: Convert to fraction form
943,348.38/1,301,844.09 = 513,652.02/x - Step 3: Cross multiply
943,348.38x = 1,301,844.09 × 513,652.02 - Step 4: Simplify right side
943,348.38x = 668,694,846,553.56 - Step 5: Solve for x
x = 668,694,846,553.56/943,348.38 - Step 6: Final answer
x = 708,852.49
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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.