Finding the Fourth Proportional to 684,458.93, 944,679.68 and 439,749.60
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Solution
The fourth proportional to 684,458.93, 944,679.68 and 439,749.60 is: 606,935.63
Step by Step Solution
- Step 1: Write the proportion equation
684,458.93 : 944,679.68 = 439,749.60 : x - Step 2: Convert to fraction form
684,458.93/944,679.68 = 439,749.60/x - Step 3: Cross multiply
684,458.93x = 944,679.68 × 439,749.60 - Step 4: Simplify right side
684,458.93x = 415,422,511,408.13 - Step 5: Solve for x
x = 415,422,511,408.13/684,458.93 - Step 6: Final answer
x = 606,935.63
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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.