Finding the Fourth Proportional to 587,653.11, 881,479.59 and 387,926.70
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Solution
The fourth proportional to 587,653.11, 881,479.59 and 387,926.70 is: 581,890.00
Step by Step Solution
- Step 1: Write the proportion equation
587,653.11 : 881,479.59 = 387,926.70 : x - Step 2: Convert to fraction form
587,653.11/881,479.59 = 387,926.70/x - Step 3: Cross multiply
587,653.11x = 881,479.59 × 387,926.70 - Step 4: Simplify right side
587,653.11x = 341,949,468,466.05 - Step 5: Solve for x
x = 341,949,468,466.05/587,653.11 - Step 6: Final answer
x = 581,890.00
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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.