Finding the Fourth Proportional to 690,230.01, 1,035,493.47 and 344,202.06
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Solution
The fourth proportional to 690,230.01, 1,035,493.47 and 344,202.06 is: 516,377.12
Step by Step Solution
- Step 1: Write the proportion equation
690,230.01 : 1,035,493.47 = 344,202.06 : x - Step 2: Convert to fraction form
690,230.01/1,035,493.47 = 344,202.06/x - Step 3: Cross multiply
690,230.01x = 1,035,493.47 × 344,202.06 - Step 4: Simplify right side
690,230.01x = 356,418,985,490.55 - Step 5: Solve for x
x = 356,418,985,490.55/690,230.01 - Step 6: Final answer
x = 516,377.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.