Finding the Fourth Proportional to 903,537.05, 1,246,869.48 and 516,348.03
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Solution
The fourth proportional to 903,537.05, 1,246,869.48 and 516,348.03 is: 712,553.63
Step by Step Solution
- Step 1: Write the proportion equation
903,537.05 : 1,246,869.48 = 516,348.03 : x - Step 2: Convert to fraction form
903,537.05/1,246,869.48 = 516,348.03/x - Step 3: Cross multiply
903,537.05x = 1,246,869.48 × 516,348.03 - Step 4: Simplify right side
903,537.05x = 643,818,599,665.12 - Step 5: Solve for x
x = 643,818,599,665.12/903,537.05 - Step 6: Final answer
x = 712,553.63
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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.