Finding the Fourth Proportional to 833,121.86, 1,249,424.48 and 300,573.68
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Solution
The fourth proportional to 833,121.86, 1,249,424.48 and 300,573.68 is: 450,767.33
Step by Step Solution
- Step 1: Write the proportion equation
833,121.86 : 1,249,424.48 = 300,573.68 : x - Step 2: Convert to fraction form
833,121.86/1,249,424.48 = 300,573.68/x - Step 3: Cross multiply
833,121.86x = 1,249,424.48 × 300,573.68 - Step 4: Simplify right side
833,121.86x = 375,544,113,835.69 - Step 5: Solve for x
x = 375,544,113,835.69/833,121.86 - Step 6: Final answer
x = 450,767.33
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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.