Finding the Fourth Proportional to 885,160.74, 1,326,555.18 and 828,473.70
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Solution
The fourth proportional to 885,160.74, 1,326,555.18 and 828,473.70 is: 1,241,600.57
Step by Step Solution
- Step 1: Write the proportion equation
885,160.74 : 1,326,555.18 = 828,473.70 : x - Step 2: Convert to fraction form
885,160.74/1,326,555.18 = 828,473.70/x - Step 3: Cross multiply
885,160.74x = 1,326,555.18 × 828,473.70 - Step 4: Simplify right side
885,160.74x = 1,099,016,078,228.77 - Step 5: Solve for x
x = 1,099,016,078,228.77/885,160.74 - Step 6: Final answer
x = 1,241,600.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.