Finding the Fourth Proportional to 898,998.34, 1,239,460.04 and 641,169.26
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Solution
The fourth proportional to 898,998.34, 1,239,460.04 and 641,169.26 is: 883,987.93
Step by Step Solution
- Step 1: Write the proportion equation
898,998.34 : 1,239,460.04 = 641,169.26 : x - Step 2: Convert to fraction form
898,998.34/1,239,460.04 = 641,169.26/x - Step 3: Cross multiply
898,998.34x = 1,239,460.04 × 641,169.26 - Step 4: Simplify right side
898,998.34x = 794,703,681,347.94 - Step 5: Solve for x
x = 794,703,681,347.94/898,998.34 - Step 6: Final answer
x = 883,987.93
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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.