Finding the Fourth Proportional to 779,989.44, 1,170,159.12 and 247,527.84
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Solution
The fourth proportional to 779,989.44, 1,170,159.12 and 247,527.84 is: 371,347.28
Step by Step Solution
- Step 1: Write the proportion equation
779,989.44 : 1,170,159.12 = 247,527.84 : x - Step 2: Convert to fraction form
779,989.44/1,170,159.12 = 247,527.84/x - Step 3: Cross multiply
779,989.44x = 1,170,159.12 × 247,527.84 - Step 4: Simplify right side
779,989.44x = 289,646,959,429.90 - Step 5: Solve for x
x = 289,646,959,429.90/779,989.44 - Step 6: Final answer
x = 371,347.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.