Finding the Fourth Proportional to 755,282.88, 1,132,654.49 and 249,750.54
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Solution
The fourth proportional to 755,282.88, 1,132,654.49 and 249,750.54 is: 374,536.58
Step by Step Solution
- Step 1: Write the proportion equation
755,282.88 : 1,132,654.49 = 249,750.54 : x - Step 2: Convert to fraction form
755,282.88/1,132,654.49 = 249,750.54/x - Step 3: Cross multiply
755,282.88x = 1,132,654.49 × 249,750.54 - Step 4: Simplify right side
755,282.88x = 282,881,070,198.74 - Step 5: Solve for x
x = 282,881,070,198.74/755,282.88 - Step 6: Final answer
x = 374,536.58
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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.