Finding the Fourth Proportional to 668,559.62, 1,001,707.61 and 478,052.75
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Solution
The fourth proportional to 668,559.62, 1,001,707.61 and 478,052.75 is: 716,269.81
Step by Step Solution
- Step 1: Write the proportion equation
668,559.62 : 1,001,707.61 = 478,052.75 : x - Step 2: Convert to fraction form
668,559.62/1,001,707.61 = 478,052.75/x - Step 3: Cross multiply
668,559.62x = 1,001,707.61 × 478,052.75 - Step 4: Simplify right side
668,559.62x = 478,869,070,257.63 - Step 5: Solve for x
x = 478,869,070,257.63/668,559.62 - Step 6: Final answer
x = 716,269.81
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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.