Finding the Fourth Proportional to 688,195.44, 949,677.62 and 382,291.65
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Solution
The fourth proportional to 688,195.44, 949,677.62 and 382,291.65 is: 527,544.65
Step by Step Solution
- Step 1: Write the proportion equation
688,195.44 : 949,677.62 = 382,291.65 : x - Step 2: Convert to fraction form
688,195.44/949,677.62 = 382,291.65/x - Step 3: Cross multiply
688,195.44x = 949,677.62 × 382,291.65 - Step 4: Simplify right side
688,195.44x = 363,053,822,406.42 - Step 5: Solve for x
x = 363,053,822,406.42/688,195.44 - Step 6: Final answer
x = 527,544.65
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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.