Finding the Fourth Proportional to 487,352.74, 672,340.83 and 326,259.69
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Solution
The fourth proportional to 487,352.74, 672,340.83 and 326,259.69 is: 450,100.50
Step by Step Solution
- Step 1: Write the proportion equation
487,352.74 : 672,340.83 = 326,259.69 : x - Step 2: Convert to fraction form
487,352.74/672,340.83 = 326,259.69/x - Step 3: Cross multiply
487,352.74x = 672,340.83 × 326,259.69 - Step 4: Simplify right side
487,352.74x = 219,357,710,770.14 - Step 5: Solve for x
x = 219,357,710,770.14/487,352.74 - Step 6: Final answer
x = 450,100.50
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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.