Finding the Fourth Proportional to 813,328.26, 1,218,335.74 and 385,567.54
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Solution
The fourth proportional to 813,328.26, 1,218,335.74 and 385,567.54 is: 577,565.96
Step by Step Solution
- Step 1: Write the proportion equation
813,328.26 : 1,218,335.74 = 385,567.54 : x - Step 2: Convert to fraction form
813,328.26/1,218,335.74 = 385,567.54/x - Step 3: Cross multiply
813,328.26x = 1,218,335.74 × 385,567.54 - Step 4: Simplify right side
813,328.26x = 469,750,714,165.88 - Step 5: Solve for x
x = 469,750,714,165.88/813,328.26 - Step 6: Final answer
x = 577,565.96
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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.