Finding the Fourth Proportional to 880,476.98, 1,215,062.72 and 498,578.18
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Solution
The fourth proportional to 880,476.98, 1,215,062.72 and 498,578.18 is: 688,040.42
Step by Step Solution
- Step 1: Write the proportion equation
880,476.98 : 1,215,062.72 = 498,578.18 : x - Step 2: Convert to fraction form
880,476.98/1,215,062.72 = 498,578.18/x - Step 3: Cross multiply
880,476.98x = 1,215,062.72 × 498,578.18 - Step 4: Simplify right side
880,476.98x = 605,803,750,955.25 - Step 5: Solve for x
x = 605,803,750,955.25/880,476.98 - Step 6: Final answer
x = 688,040.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.