Finding the Fourth Proportional to 646,035.24, 967,986.45 and 375,403.62
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Solution
The fourth proportional to 646,035.24, 967,986.45 and 375,403.62 is: 562,485.75
Step by Step Solution
- Step 1: Write the proportion equation
646,035.24 : 967,986.45 = 375,403.62 : x - Step 2: Convert to fraction form
646,035.24/967,986.45 = 375,403.62/x - Step 3: Cross multiply
646,035.24x = 967,986.45 × 375,403.62 - Step 4: Simplify right side
646,035.24x = 363,385,617,440.95 - Step 5: Solve for x
x = 363,385,617,440.95/646,035.24 - Step 6: Final answer
x = 562,485.75
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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.