Finding the Fourth Proportional to 749,909.84, 1,124,981.94 and 244,353.56
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Solution
The fourth proportional to 749,909.84, 1,124,981.94 and 244,353.56 is: 366,568.52
Step by Step Solution
- Step 1: Write the proportion equation
749,909.84 : 1,124,981.94 = 244,353.56 : x - Step 2: Convert to fraction form
749,909.84/1,124,981.94 = 244,353.56/x - Step 3: Cross multiply
749,909.84x = 1,124,981.94 × 244,353.56 - Step 4: Simplify right side
749,909.84x = 274,893,341,974.71 - Step 5: Solve for x
x = 274,893,341,974.71/749,909.84 - Step 6: Final answer
x = 366,568.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.