Finding the Fourth Proportional to 716,365.97, 988,494.99 and 484,297.56
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Solution
The fourth proportional to 716,365.97, 988,494.99 and 484,297.56 is: 668,269.75
Step by Step Solution
- Step 1: Write the proportion equation
716,365.97 : 988,494.99 = 484,297.56 : x - Step 2: Convert to fraction form
716,365.97/988,494.99 = 484,297.56/x - Step 3: Cross multiply
716,365.97x = 988,494.99 × 484,297.56 - Step 4: Simplify right side
716,365.97x = 478,725,709,857.14 - Step 5: Solve for x
x = 478,725,709,857.14/716,365.97 - Step 6: Final answer
x = 668,269.75
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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.