Finding the Fourth Proportional to 1,242,378.24, 1,863,562.24 and 355,914.24
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Solution
The fourth proportional to 1,242,378.24, 1,863,562.24 and 355,914.24 is: 533,869.89
Step by Step Solution
- Step 1: Write the proportion equation
1,242,378.24 : 1,863,562.24 = 355,914.24 : x - Step 2: Convert to fraction form
1,242,378.24/1,863,562.24 = 355,914.24/x - Step 3: Cross multiply
1,242,378.24x = 1,863,562.24 × 355,914.24 - Step 4: Simplify right side
1,242,378.24x = 663,268,338,342.30 - Step 5: Solve for x
x = 663,268,338,342.30/1,242,378.24 - Step 6: Final answer
x = 533,869.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.