Finding the Fourth Proportional to 874,452.84, 1,206,830.98 and 511,854.72
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Solution
The fourth proportional to 874,452.84, 1,206,830.98 and 511,854.72 is: 706,409.89
Step by Step Solution
- Step 1: Write the proportion equation
874,452.84 : 1,206,830.98 = 511,854.72 : x - Step 2: Convert to fraction form
874,452.84/1,206,830.98 = 511,854.72/x - Step 3: Cross multiply
874,452.84x = 1,206,830.98 × 511,854.72 - Step 4: Simplify right side
874,452.84x = 617,722,133,355.23 - Step 5: Solve for x
x = 617,722,133,355.23/874,452.84 - Step 6: Final answer
x = 706,409.89
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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.