Finding the Fourth Proportional to 614,042.75, 847,346.19 and 338,391.65
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Solution
The fourth proportional to 614,042.75, 847,346.19 and 338,391.65 is: 466,962.40
Step by Step Solution
- Step 1: Write the proportion equation
614,042.75 : 847,346.19 = 338,391.65 : x - Step 2: Convert to fraction form
614,042.75/847,346.19 = 338,391.65/x - Step 3: Cross multiply
614,042.75x = 847,346.19 × 338,391.65 - Step 4: Simplify right side
614,042.75x = 286,734,875,355.31 - Step 5: Solve for x
x = 286,734,875,355.31/614,042.75 - Step 6: Final answer
x = 466,962.40
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1.5x scale
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.