Finding the Fourth Proportional to 690,302.99, 952,609.04 and 380,199.62
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Solution
The fourth proportional to 690,302.99, 952,609.04 and 380,199.62 is: 524,670.47
Step by Step Solution
- Step 1: Write the proportion equation
690,302.99 : 952,609.04 = 380,199.62 : x - Step 2: Convert to fraction form
690,302.99/952,609.04 = 380,199.62/x - Step 3: Cross multiply
690,302.99x = 952,609.04 × 380,199.62 - Step 4: Simplify right side
690,302.99x = 362,181,588,352.52 - Step 5: Solve for x
x = 362,181,588,352.52/690,302.99 - Step 6: Final answer
x = 524,670.47
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1.5x scale
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.