Finding the Fourth Proportional to 880,574.67, 1,215,197.82 and 498,675.87
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Solution
The fourth proportional to 880,574.67, 1,215,197.82 and 498,675.87 is: 688,175.40
Step by Step Solution
- Step 1: Write the proportion equation
880,574.67 : 1,215,197.82 = 498,675.87 : x - Step 2: Convert to fraction form
880,574.67/1,215,197.82 = 498,675.87/x - Step 3: Cross multiply
880,574.67x = 1,215,197.82 × 498,675.87 - Step 4: Simplify right side
880,574.67x = 605,989,830,110.60 - Step 5: Solve for x
x = 605,989,830,110.60/880,574.67 - Step 6: Final answer
x = 688,175.40
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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.