Finding the Fourth Proportional to 898,857.20, 1,348,285.80 and 259,159.70
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Solution
The fourth proportional to 898,857.20, 1,348,285.80 and 259,159.70 is: 388,739.55
Step by Step Solution
- Step 1: Write the proportion equation
898,857.20 : 1,348,285.80 = 259,159.70 : x - Step 2: Convert to fraction form
898,857.20/1,348,285.80 = 259,159.70/x - Step 3: Cross multiply
898,857.20x = 1,348,285.80 × 259,159.70 - Step 4: Simplify right side
898,857.20x = 349,421,343,442.26 - Step 5: Solve for x
x = 349,421,343,442.26/898,857.20 - Step 6: Final answer
x = 388,739.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.