Finding the Fourth Proportional to 417,746.80, 626,620.20 and 372,257.20
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Solution
The fourth proportional to 417,746.80, 626,620.20 and 372,257.20 is: 558,385.80
Step by Step Solution
- Step 1: Write the proportion equation
417,746.80 : 626,620.20 = 372,257.20 : x - Step 2: Convert to fraction form
417,746.80/626,620.20 = 372,257.20/x - Step 3: Cross multiply
417,746.80x = 626,620.20 × 372,257.20 - Step 4: Simplify right side
417,746.80x = 233,263,881,115.44 - Step 5: Solve for x
x = 233,263,881,115.44/417,746.80 - Step 6: Final answer
x = 558,385.80
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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.