Finding the Fourth Proportional to 750,531.64, 1,125,790.40 and 324,368.78
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Solution
The fourth proportional to 750,531.64, 1,125,790.40 and 324,368.78 is: 486,550.12
Step by Step Solution
- Step 1: Write the proportion equation
750,531.64 : 1,125,790.40 = 324,368.78 : x - Step 2: Convert to fraction form
750,531.64/1,125,790.40 = 324,368.78/x - Step 3: Cross multiply
750,531.64x = 1,125,790.40 × 324,368.78 - Step 4: Simplify right side
750,531.64x = 365,171,258,583.71 - Step 5: Solve for x
x = 365,171,258,583.71/750,531.64 - Step 6: Final answer
x = 486,550.12
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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.