Finding the Fourth Proportional to 749,709.70, 1,034,625.21 and 410,177.95
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Solution
The fourth proportional to 749,709.70, 1,034,625.21 and 410,177.95 is: 566,059.70
Step by Step Solution
- Step 1: Write the proportion equation
749,709.70 : 1,034,625.21 = 410,177.95 : x - Step 2: Convert to fraction form
749,709.70/1,034,625.21 = 410,177.95/x - Step 3: Cross multiply
749,709.70x = 1,034,625.21 × 410,177.95 - Step 4: Simplify right side
749,709.70x = 424,380,447,656.12 - Step 5: Solve for x
x = 424,380,447,656.12/749,709.70 - Step 6: Final answer
x = 566,059.70
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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.