Finding the Fourth Proportional to 819,306.07, 1,228,962.99 and 250,686.26
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Solution
The fourth proportional to 819,306.07, 1,228,962.99 and 250,686.26 is: 376,030.58
Step by Step Solution
- Step 1: Write the proportion equation
819,306.07 : 1,228,962.99 = 250,686.26 : x - Step 2: Convert to fraction form
819,306.07/1,228,962.99 = 250,686.26/x - Step 3: Cross multiply
819,306.07x = 1,228,962.99 × 250,686.26 - Step 4: Simplify right side
819,306.07x = 308,084,137,796.79 - Step 5: Solve for x
x = 308,084,137,796.79/819,306.07 - Step 6: Final answer
x = 376,030.58
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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.