Finding the Fourth Proportional to 685,865.36, 1,029,436.38 and 349,158.08
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Solution
The fourth proportional to 685,865.36, 1,029,436.38 and 349,158.08 is: 524,062.08
Step by Step Solution
- Step 1: Write the proportion equation
685,865.36 : 1,029,436.38 = 349,158.08 : x - Step 2: Convert to fraction form
685,865.36/1,029,436.38 = 349,158.08/x - Step 3: Cross multiply
685,865.36x = 1,029,436.38 × 349,158.08 - Step 4: Simplify right side
685,865.36x = 359,436,024,775.77 - Step 5: Solve for x
x = 359,436,024,775.77/685,865.36 - Step 6: Final answer
x = 524,062.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.