Finding the Fourth Proportional to 566,987.07, 782,405.02 and 312,338.26
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Solution
The fourth proportional to 566,987.07, 782,405.02 and 312,338.26 is: 431,006.34
Step by Step Solution
- Step 1: Write the proportion equation
566,987.07 : 782,405.02 = 312,338.26 : x - Step 2: Convert to fraction form
566,987.07/782,405.02 = 312,338.26/x - Step 3: Cross multiply
566,987.07x = 782,405.02 × 312,338.26 - Step 4: Simplify right side
566,987.07x = 244,375,022,562.07 - Step 5: Solve for x
x = 244,375,022,562.07/566,987.07 - Step 6: Final answer
x = 431,006.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.