Finding the Fourth Proportional to 784,068.80, 1,176,492.36 and 310,743.68
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Solution
The fourth proportional to 784,068.80, 1,176,492.36 and 310,743.68 is: 466,269.75
Step by Step Solution
- Step 1: Write the proportion equation
784,068.80 : 1,176,492.36 = 310,743.68 : x - Step 2: Convert to fraction form
784,068.80/1,176,492.36 = 310,743.68/x - Step 3: Cross multiply
784,068.80x = 1,176,492.36 × 310,743.68 - Step 4: Simplify right side
784,068.80x = 365,587,565,438.29 - Step 5: Solve for x
x = 365,587,565,438.29/784,068.80 - Step 6: Final answer
x = 466,269.75
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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.