Finding the Fourth Proportional to 730,561.99, 1,008,088.23 and 403,830.87
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Solution
The fourth proportional to 730,561.99, 1,008,088.23 and 403,830.87 is: 557,238.34
Step by Step Solution
- Step 1: Write the proportion equation
730,561.99 : 1,008,088.23 = 403,830.87 : x - Step 2: Convert to fraction form
730,561.99/1,008,088.23 = 403,830.87/x - Step 3: Cross multiply
730,561.99x = 1,008,088.23 × 403,830.87 - Step 4: Simplify right side
730,561.99x = 407,097,149,477.88 - Step 5: Solve for x
x = 407,097,149,477.88/730,561.99 - Step 6: Final answer
x = 557,238.34
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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.