Finding the Fourth Proportional to 740,512.92, 1,021,911 and 418,226.88
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Solution
The fourth proportional to 740,512.92, 1,021,911 and 418,226.88 is: 577,154.88
Step by Step Solution
- Step 1: Write the proportion equation
740,512.92 : 1,021,911 = 418,226.88 : x - Step 2: Convert to fraction form
740,512.92/1,021,911 = 418,226.88/x - Step 3: Cross multiply
740,512.92x = 1,021,911 × 418,226.88 - Step 4: Simplify right side
740,512.92x = 427,390,649,167.68 - Step 5: Solve for x
x = 427,390,649,167.68/740,512.92 - Step 6: Final answer
x = 577,154.88
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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.