Finding the Fourth Proportional to 898,711.49, 1,240,230.26 and 511,507.91
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Solution
The fourth proportional to 898,711.49, 1,240,230.26 and 511,507.91 is: 705,885.70
Step by Step Solution
- Step 1: Write the proportion equation
898,711.49 : 1,240,230.26 = 511,507.91 : x - Step 2: Convert to fraction form
898,711.49/1,240,230.26 = 511,507.91/x - Step 3: Cross multiply
898,711.49x = 1,240,230.26 × 511,507.91 - Step 4: Simplify right side
898,711.49x = 634,387,592,590.70 - Step 5: Solve for x
x = 634,387,592,590.70/898,711.49 - Step 6: Final answer
x = 705,885.70
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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.