Finding the Fourth Proportional to 628,994.64, 867,877.20 and 374,296.08
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Solution
The fourth proportional to 628,994.64, 867,877.20 and 374,296.08 is: 516,448.02
Step by Step Solution
- Step 1: Write the proportion equation
628,994.64 : 867,877.20 = 374,296.08 : x - Step 2: Convert to fraction form
628,994.64/867,877.20 = 374,296.08/x - Step 3: Cross multiply
628,994.64x = 867,877.20 × 374,296.08 - Step 4: Simplify right side
628,994.64x = 324,843,033,881.38 - Step 5: Solve for x
x = 324,843,033,881.38/628,994.64 - Step 6: Final answer
x = 516,448.02
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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.