Finding the Fourth Proportional to 529,828.61, 733,088.81 and 461,986.95
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Solution
The fourth proportional to 529,828.61, 733,088.81 and 461,986.95 is: 639,220.79
Step by Step Solution
- Step 1: Write the proportion equation
529,828.61 : 733,088.81 = 461,986.95 : x - Step 2: Convert to fraction form
529,828.61/733,088.81 = 461,986.95/x - Step 3: Cross multiply
529,828.61x = 733,088.81 × 461,986.95 - Step 4: Simplify right side
529,828.61x = 338,677,461,101.10 - Step 5: Solve for x
x = 338,677,461,101.10/529,828.61 - Step 6: Final answer
x = 639,220.79
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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.