Finding the Fourth Proportional to 542,392.98, 748,585.16 and 346,244.19
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Solution
The fourth proportional to 542,392.98, 748,585.16 and 346,244.19 is: 477,869.87
Step by Step Solution
- Step 1: Write the proportion equation
542,392.98 : 748,585.16 = 346,244.19 : x - Step 2: Convert to fraction form
542,392.98/748,585.16 = 346,244.19/x - Step 3: Cross multiply
542,392.98x = 748,585.16 × 346,244.19 - Step 4: Simplify right side
542,392.98x = 259,193,262,370.22 - Step 5: Solve for x
x = 259,193,262,370.22/542,392.98 - Step 6: Final answer
x = 477,869.87
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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.