Finding the Fourth Proportional to 867,408.93, 1,197,759.12 and 545,222.79
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Solution
The fourth proportional to 867,408.93, 1,197,759.12 and 545,222.79 is: 752,869.32
Step by Step Solution
- Step 1: Write the proportion equation
867,408.93 : 1,197,759.12 = 545,222.79 : x - Step 2: Convert to fraction form
867,408.93/1,197,759.12 = 545,222.79/x - Step 3: Cross multiply
867,408.93x = 1,197,759.12 × 545,222.79 - Step 4: Simplify right side
867,408.93x = 653,045,569,154.35 - Step 5: Solve for x
x = 653,045,569,154.35/867,408.93 - Step 6: Final answer
x = 752,869.32
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1.5x scale
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.