Finding the Fourth Proportional to 899,649.48, 1,349,452.68 and 292,437
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Solution
The fourth proportional to 899,649.48, 1,349,452.68 and 292,437 is: 438,648.50
Step by Step Solution
- Step 1: Write the proportion equation
899,649.48 : 1,349,452.68 = 292,437 : x - Step 2: Convert to fraction form
899,649.48/1,349,452.68 = 292,437/x - Step 3: Cross multiply
899,649.48x = 1,349,452.68 × 292,437 - Step 4: Simplify right side
899,649.48x = 394,629,893,381.16 - Step 5: Solve for x
x = 394,629,893,381.16/899,649.48 - Step 6: Final answer
x = 438,648.50
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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.