Finding the Fourth Proportional to 905,363.08, 1,248,932.55 and 614,989.60
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Solution
The fourth proportional to 905,363.08, 1,248,932.55 and 614,989.60 is: 848,367.41
Step by Step Solution
- Step 1: Write the proportion equation
905,363.08 : 1,248,932.55 = 614,989.60 : x - Step 2: Convert to fraction form
905,363.08/1,248,932.55 = 614,989.60/x - Step 3: Cross multiply
905,363.08x = 1,248,932.55 × 614,989.60 - Step 4: Simplify right side
905,363.08x = 768,080,529,351.48 - Step 5: Solve for x
x = 768,080,529,351.48/905,363.08 - Step 6: Final answer
x = 848,367.41
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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.