Finding the Fourth Proportional to 955,235.80, 1,432,853.70 and 636,371.20
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Solution
The fourth proportional to 955,235.80, 1,432,853.70 and 636,371.20 is: 954,556.80
Step by Step Solution
- Step 1: Write the proportion equation
955,235.80 : 1,432,853.70 = 636,371.20 : x - Step 2: Convert to fraction form
955,235.80/1,432,853.70 = 636,371.20/x - Step 3: Cross multiply
955,235.80x = 1,432,853.70 × 636,371.20 - Step 4: Simplify right side
955,235.80x = 911,826,828,493.44 - Step 5: Solve for x
x = 911,826,828,493.44/955,235.80 - Step 6: Final answer
x = 954,556.80
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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.