Finding the Fourth Proportional to 888,611.84, 1,226,253.84 and 506,761.52
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Solution
The fourth proportional to 888,611.84, 1,226,253.84 and 506,761.52 is: 699,313.50
Step by Step Solution
- Step 1: Write the proportion equation
888,611.84 : 1,226,253.84 = 506,761.52 : x - Step 2: Convert to fraction form
888,611.84/1,226,253.84 = 506,761.52/x - Step 3: Cross multiply
888,611.84x = 1,226,253.84 × 506,761.52 - Step 4: Simplify right side
888,611.84x = 621,418,259,864.24 - Step 5: Solve for x
x = 621,418,259,864.24/888,611.84 - Step 6: Final answer
x = 699,313.50
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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.