Finding the Fourth Proportional to 916,850.44, 1,374,964.08 and 317,671.71
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Solution
The fourth proportional to 916,850.44, 1,374,964.08 and 317,671.71 is: 476,399.61
Step by Step Solution
- Step 1: Write the proportion equation
916,850.44 : 1,374,964.08 = 317,671.71 : x - Step 2: Convert to fraction form
916,850.44/1,374,964.08 = 317,671.71/x - Step 3: Cross multiply
916,850.44x = 1,374,964.08 × 317,671.71 - Step 4: Simplify right side
916,850.44x = 436,787,190,482.18 - Step 5: Solve for x
x = 436,787,190,482.18/916,850.44 - Step 6: Final answer
x = 476,399.61
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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.