Finding the Fourth Proportional to 887,828.80, 1,330,212.30 and 413,541.40
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Solution
The fourth proportional to 887,828.80, 1,330,212.30 and 413,541.40 is: 619,599.02
Step by Step Solution
- Step 1: Write the proportion equation
887,828.80 : 1,330,212.30 = 413,541.40 : x - Step 2: Convert to fraction form
887,828.80/1,330,212.30 = 413,541.40/x - Step 3: Cross multiply
887,828.80x = 1,330,212.30 × 413,541.40 - Step 4: Simplify right side
887,828.80x = 550,097,856,839.22 - Step 5: Solve for x
x = 550,097,856,839.22/887,828.80 - Step 6: Final answer
x = 619,599.02
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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.