Finding the Fourth Proportional to 450,562.66, 620,756.79 and 369,862.42
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Solution
The fourth proportional to 450,562.66, 620,756.79 and 369,862.42 is: 509,573.09
Step by Step Solution
- Step 1: Write the proportion equation
450,562.66 : 620,756.79 = 369,862.42 : x - Step 2: Convert to fraction form
450,562.66/620,756.79 = 369,862.42/x - Step 3: Cross multiply
450,562.66x = 620,756.79 × 369,862.42 - Step 4: Simplify right side
450,562.66x = 229,594,608,580.83 - Step 5: Solve for x
x = 229,594,608,580.83/450,562.66 - Step 6: Final answer
x = 509,573.09
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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.