Finding the Fourth Proportional to 791,920, 1,187,315.68 and 370,966.24
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Solution
The fourth proportional to 791,920, 1,187,315.68 and 370,966.24 is: 556,185.01
Step by Step Solution
- Step 1: Write the proportion equation
791,920 : 1,187,315.68 = 370,966.24 : x - Step 2: Convert to fraction form
791,920/1,187,315.68 = 370,966.24/x - Step 3: Cross multiply
791,920x = 1,187,315.68 × 370,966.24 - Step 4: Simplify right side
791,920x = 440,454,033,502.64 - Step 5: Solve for x
x = 440,454,033,502.64/791,920 - Step 6: Final answer
x = 556,185.01
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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.