Finding the Fourth Proportional to 713,463.19, 984,440.55 and 423,021.08
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Solution
The fourth proportional to 713,463.19, 984,440.55 and 423,021.08 is: 583,686.88
Step by Step Solution
- Step 1: Write the proportion equation
713,463.19 : 984,440.55 = 423,021.08 : x - Step 2: Convert to fraction form
713,463.19/984,440.55 = 423,021.08/x - Step 3: Cross multiply
713,463.19x = 984,440.55 × 423,021.08 - Step 4: Simplify right side
713,463.19x = 416,439,102,541.69 - Step 5: Solve for x
x = 416,439,102,541.69/713,463.19 - Step 6: Final answer
x = 583,686.88
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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.