Finding the Fourth Proportional to 918,119.16, 1,267,084.08 and 536,268.96
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Solution
The fourth proportional to 918,119.16, 1,267,084.08 and 536,268.96 is: 740,097.68
Step by Step Solution
- Step 1: Write the proportion equation
918,119.16 : 1,267,084.08 = 536,268.96 : x - Step 2: Convert to fraction form
918,119.16/1,267,084.08 = 536,268.96/x - Step 3: Cross multiply
918,119.16x = 1,267,084.08 × 536,268.96 - Step 4: Simplify right side
918,119.16x = 679,497,861,814.16 - Step 5: Solve for x
x = 679,497,861,814.16/918,119.16 - Step 6: Final answer
x = 740,097.68
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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.