Finding the Fourth Proportional to 749,634.09, 1,034,493.98 and 410,102.34
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Solution
The fourth proportional to 749,634.09, 1,034,493.98 and 410,102.34 is: 565,940.64
Step by Step Solution
- Step 1: Write the proportion equation
749,634.09 : 1,034,493.98 = 410,102.34 : x - Step 2: Convert to fraction form
749,634.09/1,034,493.98 = 410,102.34/x - Step 3: Cross multiply
749,634.09x = 1,034,493.98 × 410,102.34 - Step 4: Simplify right side
749,634.09x = 424,248,399,863.40 - Step 5: Solve for x
x = 424,248,399,863.40/749,634.09 - Step 6: Final answer
x = 565,940.64
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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.