Finding the Fourth Proportional to 642,707.24, 886,965.02 and 367,089.14
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Solution
The fourth proportional to 642,707.24, 886,965.02 and 367,089.14 is: 506,599.59
Step by Step Solution
- Step 1: Write the proportion equation
642,707.24 : 886,965.02 = 367,089.14 : x - Step 2: Convert to fraction form
642,707.24/886,965.02 = 367,089.14/x - Step 3: Cross multiply
642,707.24x = 886,965.02 × 367,089.14 - Step 4: Simplify right side
642,707.24x = 325,595,226,401.88 - Step 5: Solve for x
x = 325,595,226,401.88/642,707.24 - Step 6: Final answer
x = 506,599.59
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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.