Finding the Fourth Proportional to 986,059.68, 1,360,734.66 and 556,379.79
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Solution
The fourth proportional to 986,059.68, 1,360,734.66 and 556,379.79 is: 767,788.48
Step by Step Solution
- Step 1: Write the proportion equation
986,059.68 : 1,360,734.66 = 556,379.79 : x - Step 2: Convert to fraction form
986,059.68/1,360,734.66 = 556,379.79/x - Step 3: Cross multiply
986,059.68x = 1,360,734.66 × 556,379.79 - Step 4: Simplify right side
986,059.68x = 757,085,264,376.52 - Step 5: Solve for x
x = 757,085,264,376.52/986,059.68 - Step 6: Final answer
x = 767,788.48
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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.