Finding the Fourth Proportional to 834,177.60, 1,151,107.20 and 471,619.20
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Solution
The fourth proportional to 834,177.60, 1,151,107.20 and 471,619.20 is: 650,801.77
Step by Step Solution
- Step 1: Write the proportion equation
834,177.60 : 1,151,107.20 = 471,619.20 : x - Step 2: Convert to fraction form
834,177.60/1,151,107.20 = 471,619.20/x - Step 3: Cross multiply
834,177.60x = 1,151,107.20 × 471,619.20 - Step 4: Simplify right side
834,177.60x = 542,884,256,778.24 - Step 5: Solve for x
x = 542,884,256,778.24/834,177.60 - Step 6: Final answer
x = 650,801.77
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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.