Finding the Fourth Proportional to 618,582.72, 853,603.74 and 363,884.70
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Solution
The fourth proportional to 618,582.72, 853,603.74 and 363,884.70 is: 502,137.11
Step by Step Solution
- Step 1: Write the proportion equation
618,582.72 : 853,603.74 = 363,884.70 : x - Step 2: Convert to fraction form
618,582.72/853,603.74 = 363,884.70/x - Step 3: Cross multiply
618,582.72x = 853,603.74 × 363,884.70 - Step 4: Simplify right side
618,582.72x = 310,613,340,848.78 - Step 5: Solve for x
x = 310,613,340,848.78/618,582.72 - Step 6: Final answer
x = 502,137.11
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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.