Finding the Fourth Proportional to 420,489.24, 580,575.51 and 259,562.76
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Solution
The fourth proportional to 420,489.24, 580,575.51 and 259,562.76 is: 358,382.02
Step by Step Solution
- Step 1: Write the proportion equation
420,489.24 : 580,575.51 = 259,562.76 : x - Step 2: Convert to fraction form
420,489.24/580,575.51 = 259,562.76/x - Step 3: Cross multiply
420,489.24x = 580,575.51 × 259,562.76 - Step 4: Simplify right side
420,489.24x = 150,695,781,764.01 - Step 5: Solve for x
x = 150,695,781,764.01/420,489.24 - Step 6: Final answer
x = 358,382.02
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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.