Finding the Fourth Proportional to 920,137.80, 1,269,759.06 and 517,652.04
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Solution
The fourth proportional to 920,137.80, 1,269,759.06 and 517,652.04 is: 714,342.32
Step by Step Solution
- Step 1: Write the proportion equation
920,137.80 : 1,269,759.06 = 517,652.04 : x - Step 2: Convert to fraction form
920,137.80/1,269,759.06 = 517,652.04/x - Step 3: Cross multiply
920,137.80x = 1,269,759.06 × 517,652.04 - Step 4: Simplify right side
920,137.80x = 657,293,367,717.48 - Step 5: Solve for x
x = 657,293,367,717.48/920,137.80 - Step 6: Final answer
x = 714,342.32
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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.