Finding the Fourth Proportional to 581,052.80, 801,948.17 and 484,103.09
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Solution
The fourth proportional to 581,052.80, 801,948.17 and 484,103.09 is: 668,141.67
Step by Step Solution
- Step 1: Write the proportion equation
581,052.80 : 801,948.17 = 484,103.09 : x - Step 2: Convert to fraction form
581,052.80/801,948.17 = 484,103.09/x - Step 3: Cross multiply
581,052.80x = 801,948.17 × 484,103.09 - Step 4: Simplify right side
581,052.80x = 388,225,584,317.36 - Step 5: Solve for x
x = 388,225,584,317.36/581,052.80 - Step 6: Final answer
x = 668,141.67
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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.