Finding the Fourth Proportional to 644,326.06, 966,820.74 and 265,526.68
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Solution
The fourth proportional to 644,326.06, 966,820.74 and 265,526.68 is: 398,426.69
Step by Step Solution
- Step 1: Write the proportion equation
644,326.06 : 966,820.74 = 265,526.68 : x - Step 2: Convert to fraction form
644,326.06/966,820.74 = 265,526.68/x - Step 3: Cross multiply
644,326.06x = 966,820.74 × 265,526.68 - Step 4: Simplify right side
644,326.06x = 256,716,701,247.34 - Step 5: Solve for x
x = 256,716,701,247.34/644,326.06 - Step 6: Final answer
x = 398,426.69
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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.