Finding the Fourth Proportional to 872,685.56, 1,204,282.14 and 490,702.52
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Solution
The fourth proportional to 872,685.56, 1,204,282.14 and 490,702.52 is: 677,156.02
Step by Step Solution
- Step 1: Write the proportion equation
872,685.56 : 1,204,282.14 = 490,702.52 : x - Step 2: Convert to fraction form
872,685.56/1,204,282.14 = 490,702.52/x - Step 3: Cross multiply
872,685.56x = 1,204,282.14 × 490,702.52 - Step 4: Simplify right side
872,685.56x = 590,944,280,888.99 - Step 5: Solve for x
x = 590,944,280,888.99/872,685.56 - Step 6: Final answer
x = 677,156.02
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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.