Finding the Fourth Proportional to 736,319.42, 1,103,035.71 and 381,566.15
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Solution
The fourth proportional to 736,319.42, 1,103,035.71 and 381,566.15 is: 571,601.23
Step by Step Solution
- Step 1: Write the proportion equation
736,319.42 : 1,103,035.71 = 381,566.15 : x - Step 2: Convert to fraction form
736,319.42/1,103,035.71 = 381,566.15/x - Step 3: Cross multiply
736,319.42x = 1,103,035.71 × 381,566.15 - Step 4: Simplify right side
736,319.42x = 420,881,089,177.22 - Step 5: Solve for x
x = 420,881,089,177.22/736,319.42 - Step 6: Final answer
x = 571,601.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.