Finding the Fourth Proportional to 851,283.72, 1,276,925.58 and 290,323.08
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Solution
The fourth proportional to 851,283.72, 1,276,925.58 and 290,323.08 is: 435,484.62
Step by Step Solution
- Step 1: Write the proportion equation
851,283.72 : 1,276,925.58 = 290,323.08 : x - Step 2: Convert to fraction form
851,283.72/1,276,925.58 = 290,323.08/x - Step 3: Cross multiply
851,283.72x = 1,276,925.58 × 290,323.08 - Step 4: Simplify right side
851,283.72x = 370,720,967,316.39 - Step 5: Solve for x
x = 370,720,967,316.39/851,283.72 - Step 6: Final answer
x = 435,484.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.