Finding the Fourth Proportional to 833,278.41, 1,249,659.21 and 300,730.23
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Solution
The fourth proportional to 833,278.41, 1,249,659.21 and 300,730.23 is: 451,002.09
Step by Step Solution
- Step 1: Write the proportion equation
833,278.41 : 1,249,659.21 = 300,730.23 : x - Step 2: Convert to fraction form
833,278.41/1,249,659.21 = 300,730.23/x - Step 3: Cross multiply
833,278.41x = 1,249,659.21 × 300,730.23 - Step 4: Simplify right side
833,278.41x = 375,810,301,644.92 - Step 5: Solve for x
x = 375,810,301,644.92/833,278.41 - Step 6: Final answer
x = 451,002.09
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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.