Finding the Fourth Proportional to 836,228.88, 1,154,349.12 and 564,664.56
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Solution
The fourth proportional to 836,228.88, 1,154,349.12 and 564,664.56 is: 779,475.64
Step by Step Solution
- Step 1: Write the proportion equation
836,228.88 : 1,154,349.12 = 564,664.56 : x - Step 2: Convert to fraction form
836,228.88/1,154,349.12 = 564,664.56/x - Step 3: Cross multiply
836,228.88x = 1,154,349.12 × 564,664.56 - Step 4: Simplify right side
836,228.88x = 651,820,037,931.19 - Step 5: Solve for x
x = 651,820,037,931.19/836,228.88 - Step 6: Final answer
x = 779,475.64
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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.