Finding the Fourth Proportional to 910,877.40, 1,364,129.10 and 489,223.80
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Solution
The fourth proportional to 910,877.40, 1,364,129.10 and 489,223.80 is: 732,661.08
Step by Step Solution
- Step 1: Write the proportion equation
910,877.40 : 1,364,129.10 = 489,223.80 : x - Step 2: Convert to fraction form
910,877.40/1,364,129.10 = 489,223.80/x - Step 3: Cross multiply
910,877.40x = 1,364,129.10 × 489,223.80 - Step 4: Simplify right side
910,877.40x = 667,364,421,992.58 - Step 5: Solve for x
x = 667,364,421,992.58/910,877.40 - Step 6: Final answer
x = 732,661.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.