Finding the Fourth Proportional to 790,624.29, 1,186,157.85 and 317,641.80
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Solution
The fourth proportional to 790,624.29, 1,186,157.85 and 317,641.80 is: 476,551.66
Step by Step Solution
- Step 1: Write the proportion equation
790,624.29 : 1,186,157.85 = 317,641.80 : x - Step 2: Convert to fraction form
790,624.29/1,186,157.85 = 317,641.80/x - Step 3: Cross multiply
790,624.29x = 1,186,157.85 × 317,641.80 - Step 4: Simplify right side
790,624.29x = 376,773,314,558.13 - Step 5: Solve for x
x = 376,773,314,558.13/790,624.29 - Step 6: Final answer
x = 476,551.66
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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.