Finding the Fourth Proportional to 539,722.82, 744,797.98 and 298,000.21
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Solution
The fourth proportional to 539,722.82, 744,797.98 and 298,000.21 is: 411,229.52
Step by Step Solution
- Step 1: Write the proportion equation
539,722.82 : 744,797.98 = 298,000.21 : x - Step 2: Convert to fraction form
539,722.82/744,797.98 = 298,000.21/x - Step 3: Cross multiply
539,722.82x = 744,797.98 × 298,000.21 - Step 4: Simplify right side
539,722.82x = 221,949,954,447.58 - Step 5: Solve for x
x = 221,949,954,447.58/539,722.82 - Step 6: Final answer
x = 411,229.52
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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.