Finding the Fourth Proportional to 740,621.63, 1,110,818.91 and 235,117.08
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Solution
The fourth proportional to 740,621.63, 1,110,818.91 and 235,117.08 is: 352,639.58
Step by Step Solution
- Step 1: Write the proportion equation
740,621.63 : 1,110,818.91 = 235,117.08 : x - Step 2: Convert to fraction form
740,621.63/1,110,818.91 = 235,117.08/x - Step 3: Cross multiply
740,621.63x = 1,110,818.91 × 235,117.08 - Step 4: Simplify right side
740,621.63x = 261,172,499,409.67 - Step 5: Solve for x
x = 261,172,499,409.67/740,621.63 - Step 6: Final answer
x = 352,639.58
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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.