Finding the Fourth Proportional to 783,462.84, 1,074,137.47 and 769,291.08
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Solution
The fourth proportional to 783,462.84, 1,074,137.47 and 769,291.08 is: 1,054,707.81
Step by Step Solution
- Step 1: Write the proportion equation
783,462.84 : 1,074,137.47 = 769,291.08 : x - Step 2: Convert to fraction form
783,462.84/1,074,137.47 = 769,291.08/x - Step 3: Cross multiply
783,462.84x = 1,074,137.47 × 769,291.08 - Step 4: Simplify right side
783,462.84x = 826,324,374,364.77 - Step 5: Solve for x
x = 826,324,374,364.77/783,462.84 - Step 6: Final answer
x = 1,054,707.81
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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.