Finding the Fourth Proportional to 566,805.06, 782,198.37 and 312,175.08
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Solution
The fourth proportional to 566,805.06, 782,198.37 and 312,175.08 is: 430,805.68
Step by Step Solution
- Step 1: Write the proportion equation
566,805.06 : 782,198.37 = 312,175.08 : x - Step 2: Convert to fraction form
566,805.06/782,198.37 = 312,175.08/x - Step 3: Cross multiply
566,805.06x = 782,198.37 × 312,175.08 - Step 4: Simplify right side
566,805.06x = 244,182,838,730.62 - Step 5: Solve for x
x = 244,182,838,730.62/566,805.06 - Step 6: Final answer
x = 430,805.68
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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.