Finding the Fourth Proportional to 770,289.60, 1,063,266.88 and 529,369.68
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Solution
The fourth proportional to 770,289.60, 1,063,266.88 and 529,369.68 is: 730,713.81
Step by Step Solution
- Step 1: Write the proportion equation
770,289.60 : 1,063,266.88 = 529,369.68 : x - Step 2: Convert to fraction form
770,289.60/1,063,266.88 = 529,369.68/x - Step 3: Cross multiply
770,289.60x = 1,063,266.88 × 529,369.68 - Step 4: Simplify right side
770,289.60x = 562,861,248,020.20 - Step 5: Solve for x
x = 562,861,248,020.20/770,289.60 - Step 6: Final answer
x = 730,713.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.