Finding the Fourth Proportional to 912,606.36, 1,259,365.05 and 525,408.94
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Solution
The fourth proportional to 912,606.36, 1,259,365.05 and 525,408.94 is: 725,046.07
Step by Step Solution
- Step 1: Write the proportion equation
912,606.36 : 1,259,365.05 = 525,408.94 : x - Step 2: Convert to fraction form
912,606.36/1,259,365.05 = 525,408.94/x - Step 3: Cross multiply
912,606.36x = 1,259,365.05 × 525,408.94 - Step 4: Simplify right side
912,606.36x = 661,681,655,993.55 - Step 5: Solve for x
x = 661,681,655,993.55/912,606.36 - Step 6: Final answer
x = 725,046.07
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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.