Finding the Fourth Proportional to 912,887.74, 1,259,360.62 and 590,701.87
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Solution
The fourth proportional to 912,887.74, 1,259,360.62 and 590,701.87 is: 814,893.92
Step by Step Solution
- Step 1: Write the proportion equation
912,887.74 : 1,259,360.62 = 590,701.87 : x - Step 2: Convert to fraction form
912,887.74/1,259,360.62 = 590,701.87/x - Step 3: Cross multiply
912,887.74x = 1,259,360.62 × 590,701.87 - Step 4: Simplify right side
912,887.74x = 743,906,673,238.36 - Step 5: Solve for x
x = 743,906,673,238.36/912,887.74 - Step 6: Final answer
x = 814,893.92
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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.