Finding the Fourth Proportional to 867,994.26, 1,197,881.47 and 486,017.70
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Solution
The fourth proportional to 867,994.26, 1,197,881.47 and 486,017.70 is: 670,732.08
Step by Step Solution
- Step 1: Write the proportion equation
867,994.26 : 1,197,881.47 = 486,017.70 : x - Step 2: Convert to fraction form
867,994.26/1,197,881.47 = 486,017.70/x - Step 3: Cross multiply
867,994.26x = 1,197,881.47 × 486,017.70 - Step 4: Simplify right side
867,994.26x = 582,191,594,491.93 - Step 5: Solve for x
x = 582,191,594,491.93/867,994.26 - Step 6: Final answer
x = 670,732.08
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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.