Finding the Fourth Proportional to 673,864.96, 929,909.12 and 367,935.68
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Solution
The fourth proportional to 673,864.96, 929,909.12 and 367,935.68 is: 507,737.85
Step by Step Solution
- Step 1: Write the proportion equation
673,864.96 : 929,909.12 = 367,935.68 : x - Step 2: Convert to fraction form
673,864.96/929,909.12 = 367,935.68/x - Step 3: Cross multiply
673,864.96x = 929,909.12 × 367,935.68 - Step 4: Simplify right side
673,864.96x = 342,146,744,405.40 - Step 5: Solve for x
x = 342,146,744,405.40/673,864.96 - Step 6: Final answer
x = 507,737.85
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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.