Finding the Fourth Proportional to 734,716.08, 1,013,953.50 and 489,279.96
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Solution
The fourth proportional to 734,716.08, 1,013,953.50 and 489,279.96 is: 675,236.52
Step by Step Solution
- Step 1: Write the proportion equation
734,716.08 : 1,013,953.50 = 489,279.96 : x - Step 2: Convert to fraction form
734,716.08/1,013,953.50 = 489,279.96/x - Step 3: Cross multiply
734,716.08x = 1,013,953.50 × 489,279.96 - Step 4: Simplify right side
734,716.08x = 496,107,127,921.86 - Step 5: Solve for x
x = 496,107,127,921.86/734,716.08 - Step 6: Final answer
x = 675,236.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.