Finding the Fourth Proportional to 585,272.10, 807,741.05 and 330,639.69
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Solution
The fourth proportional to 585,272.10, 807,741.05 and 330,639.69 is: 456,319.80
Step by Step Solution
- Step 1: Write the proportion equation
585,272.10 : 807,741.05 = 330,639.69 : x - Step 2: Convert to fraction form
585,272.10/807,741.05 = 330,639.69/x - Step 3: Cross multiply
585,272.10x = 807,741.05 × 330,639.69 - Step 4: Simplify right side
585,272.10x = 267,071,248,719.08 - Step 5: Solve for x
x = 267,071,248,719.08/585,272.10 - Step 6: Final answer
x = 456,319.80
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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.