Finding the Fourth Proportional to 783,464.81, 1,074,140.19 and 769,293.05
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Solution
The fourth proportional to 783,464.81, 1,074,140.19 and 769,293.05 is: 1,054,710.53
Step by Step Solution
- Step 1: Write the proportion equation
783,464.81 : 1,074,140.19 = 769,293.05 : x - Step 2: Convert to fraction form
783,464.81/1,074,140.19 = 769,293.05/x - Step 3: Cross multiply
783,464.81x = 1,074,140.19 × 769,293.05 - Step 4: Simplify right side
783,464.81x = 826,328,577,521.98 - Step 5: Solve for x
x = 826,328,577,521.98/783,464.81 - Step 6: Final answer
x = 1,054,710.53
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.