Finding the Fourth Proportional to 898,430.26, 1,239,942.48 and 511,339.80
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Solution
The fourth proportional to 898,430.26, 1,239,942.48 and 511,339.80 is: 705,710.80
Step by Step Solution
- Step 1: Write the proportion equation
898,430.26 : 1,239,942.48 = 511,339.80 : x - Step 2: Convert to fraction form
898,430.26/1,239,942.48 = 511,339.80/x - Step 3: Cross multiply
898,430.26x = 1,239,942.48 × 511,339.80 - Step 4: Simplify right side
898,430.26x = 634,031,939,734.70 - Step 5: Solve for x
x = 634,031,939,734.70/898,430.26 - Step 6: Final answer
x = 705,710.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.