Finding the Fourth Proportional to 566,476.91, 781,748.10 and 308,361.28
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Solution
The fourth proportional to 566,476.91, 781,748.10 and 308,361.28 is: 425,543.99
Step by Step Solution
- Step 1: Write the proportion equation
566,476.91 : 781,748.10 = 308,361.28 : x - Step 2: Convert to fraction form
566,476.91/781,748.10 = 308,361.28/x - Step 3: Cross multiply
566,476.91x = 781,748.10 × 308,361.28 - Step 4: Simplify right side
566,476.91x = 241,060,844,753.57 - Step 5: Solve for x
x = 241,060,844,753.57/566,476.91 - Step 6: Final answer
x = 425,543.99
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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.