Finding the Fourth Proportional to 903,986.24, 1,247,410.17 and 541,400.81
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Solution
The fourth proportional to 903,986.24, 1,247,410.17 and 541,400.81 is: 747,078.71
Step by Step Solution
- Step 1: Write the proportion equation
903,986.24 : 1,247,410.17 = 541,400.81 : x - Step 2: Convert to fraction form
903,986.24/1,247,410.17 = 541,400.81/x - Step 3: Cross multiply
903,986.24x = 1,247,410.17 × 541,400.81 - Step 4: Simplify right side
903,986.24x = 675,348,870,203.19 - Step 5: Solve for x
x = 675,348,870,203.19/903,986.24 - Step 6: Final answer
x = 747,078.71
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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.