Finding the Fourth Proportional to 615,571.29, 923,682.05 and 436,811.84
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Solution
The fourth proportional to 615,571.29, 923,682.05 and 436,811.84 is: 655,448.45
Step by Step Solution
- Step 1: Write the proportion equation
615,571.29 : 923,682.05 = 436,811.84 : x - Step 2: Convert to fraction form
615,571.29/923,682.05 = 436,811.84/x - Step 3: Cross multiply
615,571.29x = 923,682.05 × 436,811.84 - Step 4: Simplify right side
615,571.29x = 403,475,249,033.00 - Step 5: Solve for x
x = 403,475,249,033.00/615,571.29 - Step 6: Final answer
x = 655,448.45
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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.