Finding the Fourth Proportional to 585,919.17, 808,472.79 and 340,958.75
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Solution
The fourth proportional to 585,919.17, 808,472.79 and 340,958.75 is: 470,467.40
Step by Step Solution
- Step 1: Write the proportion equation
585,919.17 : 808,472.79 = 340,958.75 : x - Step 2: Convert to fraction form
585,919.17/808,472.79 = 340,958.75/x - Step 3: Cross multiply
585,919.17x = 808,472.79 × 340,958.75 - Step 4: Simplify right side
585,919.17x = 275,655,867,845.05 - Step 5: Solve for x
x = 275,655,867,845.05/585,919.17 - Step 6: Final answer
x = 470,467.40
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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.