Finding the Fourth Proportional to 887,235.16, 1,330,963.20 and 347,421.76
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Solution
The fourth proportional to 887,235.16, 1,330,963.20 and 347,421.76 is: 521,175.89
Step by Step Solution
- Step 1: Write the proportion equation
887,235.16 : 1,330,963.20 = 347,421.76 : x - Step 2: Convert to fraction form
887,235.16/1,330,963.20 = 347,421.76/x - Step 3: Cross multiply
887,235.16x = 1,330,963.20 × 347,421.76 - Step 4: Simplify right side
887,235.16x = 462,405,577,439.23 - Step 5: Solve for x
x = 462,405,577,439.23/887,235.16 - Step 6: Final answer
x = 521,175.89
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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.