Finding the Fourth Proportional to 798,482.70, 1,191,613.09 and 713,286.06
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Solution
The fourth proportional to 798,482.70, 1,191,613.09 and 713,286.06 is: 1,064,470.15
Step by Step Solution
- Step 1: Write the proportion equation
798,482.70 : 1,191,613.09 = 713,286.06 : x - Step 2: Convert to fraction form
798,482.70/1,191,613.09 = 713,286.06/x - Step 3: Cross multiply
798,482.70x = 1,191,613.09 × 713,286.06 - Step 4: Simplify right side
798,482.70x = 849,961,002,444.10 - Step 5: Solve for x
x = 849,961,002,444.10/798,482.70 - Step 6: Final answer
x = 1,064,470.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.