Finding the Fourth Proportional to 930,581.73, 1,284,112.05 and 522,590.79
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Solution
The fourth proportional to 930,581.73, 1,284,112.05 and 522,590.79 is: 721,124.33
Step by Step Solution
- Step 1: Write the proportion equation
930,581.73 : 1,284,112.05 = 522,590.79 : x - Step 2: Convert to fraction form
930,581.73/1,284,112.05 = 522,590.79/x - Step 3: Cross multiply
930,581.73x = 1,284,112.05 × 522,590.79 - Step 4: Simplify right side
930,581.73x = 671,065,130,658.02 - Step 5: Solve for x
x = 671,065,130,658.02/930,581.73 - Step 6: Final answer
x = 721,124.33
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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.