Finding the Fourth Proportional to 739,743.55, 1,020,787.95 and 453,224.68
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Solution
The fourth proportional to 739,743.55, 1,020,787.95 and 453,224.68 is: 625,414.43
Step by Step Solution
- Step 1: Write the proportion equation
739,743.55 : 1,020,787.95 = 453,224.68 : x - Step 2: Convert to fraction form
739,743.55/1,020,787.95 = 453,224.68/x - Step 3: Cross multiply
739,743.55x = 1,020,787.95 × 453,224.68 - Step 4: Simplify right side
739,743.55x = 462,646,291,134.23 - Step 5: Solve for x
x = 462,646,291,134.23/739,743.55 - Step 6: Final answer
x = 625,414.43
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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.