Finding the Fourth Proportional to 821,302.74, 1,232,152.02 and 260,337.24
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Solution
The fourth proportional to 821,302.74, 1,232,152.02 and 260,337.24 is: 390,568.59
Step by Step Solution
- Step 1: Write the proportion equation
821,302.74 : 1,232,152.02 = 260,337.24 : x - Step 2: Convert to fraction form
821,302.74/1,232,152.02 = 260,337.24/x - Step 3: Cross multiply
821,302.74x = 1,232,152.02 × 260,337.24 - Step 4: Simplify right side
821,302.74x = 320,775,056,147.23 - Step 5: Solve for x
x = 320,775,056,147.23/821,302.74 - Step 6: Final answer
x = 390,568.59
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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.