Finding the Fourth Proportional to 862,614.08, 1,190,412.16 and 500,252.79
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Solution
The fourth proportional to 862,614.08, 1,190,412.16 and 500,252.79 is: 690,351.58
Step by Step Solution
- Step 1: Write the proportion equation
862,614.08 : 1,190,412.16 = 500,252.79 : x - Step 2: Convert to fraction form
862,614.08/1,190,412.16 = 500,252.79/x - Step 3: Cross multiply
862,614.08x = 1,190,412.16 × 500,252.79 - Step 4: Simplify right side
862,614.08x = 595,506,995,836.60 - Step 5: Solve for x
x = 595,506,995,836.60/862,614.08 - Step 6: Final answer
x = 690,351.58
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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.