Finding the Fourth Proportional to 898,430.51, 1,239,942.82 and 511,340.05
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Solution
The fourth proportional to 898,430.51, 1,239,942.82 and 511,340.05 is: 705,711.14
Step by Step Solution
- Step 1: Write the proportion equation
898,430.51 : 1,239,942.82 = 511,340.05 : x - Step 2: Convert to fraction form
898,430.51/1,239,942.82 = 511,340.05/x - Step 3: Cross multiply
898,430.51x = 1,239,942.82 × 511,340.05 - Step 4: Simplify right side
898,430.51x = 634,032,423,575.94 - Step 5: Solve for x
x = 634,032,423,575.94/898,430.51 - Step 6: Final answer
x = 705,711.14
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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.