Finding the Fourth Proportional to 539,717.21, 744,810.84 and 298,000.25
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Solution
The fourth proportional to 539,717.21, 744,810.84 and 298,000.25 is: 411,240.95
Step by Step Solution
- Step 1: Write the proportion equation
539,717.21 : 744,810.84 = 298,000.25 : x - Step 2: Convert to fraction form
539,717.21/744,810.84 = 298,000.25/x - Step 3: Cross multiply
539,717.21x = 744,810.84 × 298,000.25 - Step 4: Simplify right side
539,717.21x = 221,953,816,522.71 - Step 5: Solve for x
x = 221,953,816,522.71/539,717.21 - Step 6: Final answer
x = 411,240.95
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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.