Finding the Fourth Proportional to 646,925.80, 970,388.70 and 366,989.80
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Solution
The fourth proportional to 646,925.80, 970,388.70 and 366,989.80 is: 550,484.70
Step by Step Solution
- Step 1: Write the proportion equation
646,925.80 : 970,388.70 = 366,989.80 : x - Step 2: Convert to fraction form
646,925.80/970,388.70 = 366,989.80/x - Step 3: Cross multiply
646,925.80x = 970,388.70 × 366,989.80 - Step 4: Simplify right side
646,925.80x = 356,122,754,935.26 - Step 5: Solve for x
x = 356,122,754,935.26/646,925.80 - Step 6: Final answer
x = 550,484.70
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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.