Finding the Fourth Proportional to 798,153.53, 1,101,475.20 and 435,600.68
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Solution
The fourth proportional to 798,153.53, 1,101,475.20 and 435,600.68 is: 601,141.67
Step by Step Solution
- Step 1: Write the proportion equation
798,153.53 : 1,101,475.20 = 435,600.68 : x - Step 2: Convert to fraction form
798,153.53/1,101,475.20 = 435,600.68/x - Step 3: Cross multiply
798,153.53x = 1,101,475.20 × 435,600.68 - Step 4: Simplify right side
798,153.53x = 479,803,340,615.76 - Step 5: Solve for x
x = 479,803,340,615.76/798,153.53 - Step 6: Final answer
x = 601,141.67
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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.