Finding the Fourth Proportional to 982,087.74, 1,465,933.68 and 909,958.05
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Solution
The fourth proportional to 982,087.74, 1,465,933.68 and 909,958.05 is: 1,358,267.80
Step by Step Solution
- Step 1: Write the proportion equation
982,087.74 : 1,465,933.68 = 909,958.05 : x - Step 2: Convert to fraction form
982,087.74/1,465,933.68 = 909,958.05/x - Step 3: Cross multiply
982,087.74x = 1,465,933.68 × 909,958.05 - Step 4: Simplify right side
982,087.74x = 1,333,938,152,882.12 - Step 5: Solve for x
x = 1,333,938,152,882.12/982,087.74 - Step 6: Final answer
x = 1,358,267.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.