Finding the Fourth Proportional to 850,292.31, 1,173,403.39 and 468,319.09
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Solution
The fourth proportional to 850,292.31, 1,173,403.39 and 468,319.09 is: 646,280.35
Step by Step Solution
- Step 1: Write the proportion equation
850,292.31 : 1,173,403.39 = 468,319.09 : x - Step 2: Convert to fraction form
850,292.31/1,173,403.39 = 468,319.09/x - Step 3: Cross multiply
850,292.31x = 1,173,403.39 × 468,319.09 - Step 4: Simplify right side
850,292.31x = 549,527,207,807.72 - Step 5: Solve for x
x = 549,527,207,807.72/850,292.31 - Step 6: Final answer
x = 646,280.35
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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.