Finding the Fourth Proportional to 807,494.08, 1,114,367.08 and 463,392.96
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Solution
The fourth proportional to 807,494.08, 1,114,367.08 and 463,392.96 is: 639,496.77
Step by Step Solution
- Step 1: Write the proportion equation
807,494.08 : 1,114,367.08 = 463,392.96 : x - Step 2: Convert to fraction form
807,494.08/1,114,367.08 = 463,392.96/x - Step 3: Cross multiply
807,494.08x = 1,114,367.08 × 463,392.96 - Step 4: Simplify right side
807,494.08x = 516,389,859,727.76 - Step 5: Solve for x
x = 516,389,859,727.76/807,494.08 - Step 6: Final answer
x = 639,496.77
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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.