Finding the Fourth Proportional to 887,244.35, 1,330,866.54 and 213,325.70
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Solution
The fourth proportional to 887,244.35, 1,330,866.54 and 213,325.70 is: 319,988.55
Step by Step Solution
- Step 1: Write the proportion equation
887,244.35 : 1,330,866.54 = 213,325.70 : x - Step 2: Convert to fraction form
887,244.35/1,330,866.54 = 213,325.70/x - Step 3: Cross multiply
887,244.35x = 1,330,866.54 × 213,325.70 - Step 4: Simplify right side
887,244.35x = 283,908,029,597.75 - Step 5: Solve for x
x = 283,908,029,597.75/887,244.35 - Step 6: Final answer
x = 319,988.55
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1.5x scale
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.