Finding the Fourth Proportional to 649,686.42, 896,595.12 and 363,206.43
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Solution
The fourth proportional to 649,686.42, 896,595.12 and 363,206.43 is: 501,240.45
Step by Step Solution
- Step 1: Write the proportion equation
649,686.42 : 896,595.12 = 363,206.43 : x - Step 2: Convert to fraction form
649,686.42/896,595.12 = 363,206.43/x - Step 3: Cross multiply
649,686.42x = 896,595.12 × 363,206.43 - Step 4: Simplify right side
649,686.42x = 325,649,112,690.62 - Step 5: Solve for x
x = 325,649,112,690.62/649,686.42 - Step 6: Final answer
x = 501,240.45
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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.