Finding the Fourth Proportional to 878,304.49, 1,316,439.91 and 403,994.41
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Solution
The fourth proportional to 878,304.49, 1,316,439.91 and 403,994.41 is: 605,523.91
Step by Step Solution
- Step 1: Write the proportion equation
878,304.49 : 1,316,439.91 = 403,994.41 : x - Step 2: Convert to fraction form
878,304.49/1,316,439.91 = 403,994.41/x - Step 3: Cross multiply
878,304.49x = 1,316,439.91 × 403,994.41 - Step 4: Simplify right side
878,304.49x = 531,834,364,740.90 - Step 5: Solve for x
x = 531,834,364,740.90/878,304.49 - Step 6: Final answer
x = 605,523.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.