Finding the Fourth Proportional to 587,854.75, 811,246.04 and 319,582.75
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Solution
The fourth proportional to 587,854.75, 811,246.04 and 319,582.75 is: 441,027.72
Step by Step Solution
- Step 1: Write the proportion equation
587,854.75 : 811,246.04 = 319,582.75 : x - Step 2: Convert to fraction form
587,854.75/811,246.04 = 319,582.75/x - Step 3: Cross multiply
587,854.75x = 811,246.04 × 319,582.75 - Step 4: Simplify right side
587,854.75x = 259,260,240,389.81 - Step 5: Solve for x
x = 259,260,240,389.81/587,854.75 - Step 6: Final answer
x = 441,027.72
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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.