Finding the Fourth Proportional to 673,707.98, 929,703.12 and 367,790.42
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Solution
The fourth proportional to 673,707.98, 929,703.12 and 367,790.42 is: 507,543.19
Step by Step Solution
- Step 1: Write the proportion equation
673,707.98 : 929,703.12 = 367,790.42 : x - Step 2: Convert to fraction form
673,707.98/929,703.12 = 367,790.42/x - Step 3: Cross multiply
673,707.98x = 929,703.12 × 367,790.42 - Step 4: Simplify right side
673,707.98x = 341,935,901,925.15 - Step 5: Solve for x
x = 341,935,901,925.15/673,707.98 - Step 6: Final answer
x = 507,543.19
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1.5x scale
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.