Finding the Fourth Proportional to 571,454.67, 857,228.67 and 286,998.91
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Solution
The fourth proportional to 571,454.67, 857,228.67 and 286,998.91 is: 430,521.80
Step by Step Solution
- Step 1: Write the proportion equation
571,454.67 : 857,228.67 = 286,998.91 : x - Step 2: Convert to fraction form
571,454.67/857,228.67 = 286,998.91/x - Step 3: Cross multiply
571,454.67x = 857,228.67 × 286,998.91 - Step 4: Simplify right side
571,454.67x = 246,023,693,910.75 - Step 5: Solve for x
x = 246,023,693,910.75/571,454.67 - Step 6: Final answer
x = 430,521.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.