Finding the Fourth Proportional to 615,177.80, 921,902.70 and 489,033.80
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Solution
The fourth proportional to 615,177.80, 921,902.70 and 489,033.80 is: 732,863.87
Step by Step Solution
- Step 1: Write the proportion equation
615,177.80 : 921,902.70 = 489,033.80 : x - Step 2: Convert to fraction form
615,177.80/921,902.70 = 489,033.80/x - Step 3: Cross multiply
615,177.80x = 921,902.70 × 489,033.80 - Step 4: Simplify right side
615,177.80x = 450,841,580,611.26 - Step 5: Solve for x
x = 450,841,580,611.26/615,177.80 - Step 6: Final answer
x = 732,863.87
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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.