Finding the Fourth Proportional to 911,572.58, 1,367,425.40 and 312,528.68
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Solution
The fourth proportional to 911,572.58, 1,367,425.40 and 312,528.68 is: 468,815.82
Step by Step Solution
- Step 1: Write the proportion equation
911,572.58 : 1,367,425.40 = 312,528.68 : x - Step 2: Convert to fraction form
911,572.58/1,367,425.40 = 312,528.68/x - Step 3: Cross multiply
911,572.58x = 1,367,425.40 × 312,528.68 - Step 4: Simplify right side
911,572.58x = 427,359,651,988.55 - Step 5: Solve for x
x = 427,359,651,988.55/911,572.58 - Step 6: Final answer
x = 468,815.82
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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.