Finding the Fourth Proportional to 982,263.10, 1,355,582.37 and 552,571.06
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Solution
The fourth proportional to 982,263.10, 1,355,582.37 and 552,571.06 is: 762,581.42
Step by Step Solution
- Step 1: Write the proportion equation
982,263.10 : 1,355,582.37 = 552,571.06 : x - Step 2: Convert to fraction form
982,263.10/1,355,582.37 = 552,571.06/x - Step 3: Cross multiply
982,263.10x = 1,355,582.37 × 552,571.06 - Step 4: Simplify right side
982,263.10x = 749,055,587,108.21 - Step 5: Solve for x
x = 749,055,587,108.21/982,263.10 - Step 6: Final answer
x = 762,581.42
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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.