Finding the Fourth Proportional to 615,865.80, 922,934.70 and 489,721.80
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Solution
The fourth proportional to 615,865.80, 922,934.70 and 489,721.80 is: 733,895.67
Step by Step Solution
- Step 1: Write the proportion equation
615,865.80 : 922,934.70 = 489,721.80 : x - Step 2: Convert to fraction form
615,865.80/922,934.70 = 489,721.80/x - Step 3: Cross multiply
615,865.80x = 922,934.70 × 489,721.80 - Step 4: Simplify right side
615,865.80x = 451,981,242,566.46 - Step 5: Solve for x
x = 451,981,242,566.46/615,865.80 - Step 6: Final answer
x = 733,895.67
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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.