Finding the Fourth Proportional to 867,409.93, 1,197,760.50 and 545,223.79
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Solution
The fourth proportional to 867,409.93, 1,197,760.50 and 545,223.79 is: 752,870.70
Step by Step Solution
- Step 1: Write the proportion equation
867,409.93 : 1,197,760.50 = 545,223.79 : x - Step 2: Convert to fraction form
867,409.93/1,197,760.50 = 545,223.79/x - Step 3: Cross multiply
867,409.93x = 1,197,760.50 × 545,223.79 - Step 4: Simplify right side
867,409.93x = 653,047,519,322.30 - Step 5: Solve for x
x = 653,047,519,322.30/867,409.93 - Step 6: Final answer
x = 752,870.70
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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.