Finding the Fourth Proportional to 874,412.54, 1,206,691.75 and 506,961.08
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Solution
The fourth proportional to 874,412.54, 1,206,691.75 and 506,961.08 is: 699,607.71
Step by Step Solution
- Step 1: Write the proportion equation
874,412.54 : 1,206,691.75 = 506,961.08 : x - Step 2: Convert to fraction form
874,412.54/1,206,691.75 = 506,961.08/x - Step 3: Cross multiply
874,412.54x = 1,206,691.75 × 506,961.08 - Step 4: Simplify right side
874,412.54x = 611,745,752,807.09 - Step 5: Solve for x
x = 611,745,752,807.09/874,412.54 - Step 6: Final answer
x = 699,607.71
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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.