Finding the Fourth Proportional to 816,368.30, 1,224,565.06 and 310,957.46
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Solution
The fourth proportional to 816,368.30, 1,224,565.06 and 310,957.46 is: 466,440.99
Step by Step Solution
- Step 1: Write the proportion equation
816,368.30 : 1,224,565.06 = 310,957.46 : x - Step 2: Convert to fraction form
816,368.30/1,224,565.06 = 310,957.46/x - Step 3: Cross multiply
816,368.30x = 1,224,565.06 × 310,957.46 - Step 4: Simplify right side
816,368.30x = 380,787,640,662.35 - Step 5: Solve for x
x = 380,787,640,662.35/816,368.30 - Step 6: Final answer
x = 466,440.99
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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.