Finding the Fourth Proportional to 878,203.62, 1,316,408.05 and 498,321.82
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Solution
The fourth proportional to 878,203.62, 1,316,408.05 and 498,321.82 is: 746,973.53
Step by Step Solution
- Step 1: Write the proportion equation
878,203.62 : 1,316,408.05 = 498,321.82 : x - Step 2: Convert to fraction form
878,203.62/1,316,408.05 = 498,321.82/x - Step 3: Cross multiply
878,203.62x = 1,316,408.05 × 498,321.82 - Step 4: Simplify right side
878,203.62x = 655,994,857,607.06 - Step 5: Solve for x
x = 655,994,857,607.06/878,203.62 - Step 6: Final answer
x = 746,973.53
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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.