Finding the Fourth Proportional to 650,119.74, 896,804.19 and 378,157.02
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Solution
The fourth proportional to 650,119.74, 896,804.19 and 378,157.02 is: 521,646.67
Step by Step Solution
- Step 1: Write the proportion equation
650,119.74 : 896,804.19 = 378,157.02 : x - Step 2: Convert to fraction form
650,119.74/896,804.19 = 378,157.02/x - Step 3: Cross multiply
650,119.74x = 896,804.19 × 378,157.02 - Step 4: Simplify right side
650,119.74x = 339,132,800,013.91 - Step 5: Solve for x
x = 339,132,800,013.91/650,119.74 - Step 6: Final answer
x = 521,646.67
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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.