Finding the Fourth Proportional to 907,651.08, 1,252,558.62 and 499,754.52
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Solution
The fourth proportional to 907,651.08, 1,252,558.62 and 499,754.52 is: 689,661.31
Step by Step Solution
- Step 1: Write the proportion equation
907,651.08 : 1,252,558.62 = 499,754.52 : x - Step 2: Convert to fraction form
907,651.08/1,252,558.62 = 499,754.52/x - Step 3: Cross multiply
907,651.08x = 1,252,558.62 × 499,754.52 - Step 4: Simplify right side
907,651.08x = 625,971,831,909.96 - Step 5: Solve for x
x = 625,971,831,909.96/907,651.08 - Step 6: Final answer
x = 689,661.31
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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.