Finding the Fourth Proportional to 585,272.84, 807,742.08 and 330,640.42
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Solution
The fourth proportional to 585,272.84, 807,742.08 and 330,640.42 is: 456,320.82
Step by Step Solution
- Step 1: Write the proportion equation
585,272.84 : 807,742.08 = 330,640.42 : x - Step 2: Convert to fraction form
585,272.84/807,742.08 = 330,640.42/x - Step 3: Cross multiply
585,272.84x = 807,742.08 × 330,640.42 - Step 4: Simplify right side
585,272.84x = 267,072,180,582.87 - Step 5: Solve for x
x = 267,072,180,582.87/585,272.84 - Step 6: Final answer
x = 456,320.82
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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.