Finding the Fourth Proportional to 826,277.80, 1,239,416.70 and 511,349.80
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Solution
The fourth proportional to 826,277.80, 1,239,416.70 and 511,349.80 is: 767,024.70
Step by Step Solution
- Step 1: Write the proportion equation
826,277.80 : 1,239,416.70 = 511,349.80 : x - Step 2: Convert to fraction form
826,277.80/1,239,416.70 = 511,349.80/x - Step 3: Cross multiply
826,277.80x = 1,239,416.70 × 511,349.80 - Step 4: Simplify right side
826,277.80x = 633,775,481,661.66 - Step 5: Solve for x
x = 633,775,481,661.66/826,277.80 - Step 6: Final answer
x = 767,024.70
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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.