Finding the Fourth Proportional to 875,832.42, 1,208,648.19 and 473,424.42
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Solution
The fourth proportional to 875,832.42, 1,208,648.19 and 473,424.42 is: 653,325.40
Step by Step Solution
- Step 1: Write the proportion equation
875,832.42 : 1,208,648.19 = 473,424.42 : x - Step 2: Convert to fraction form
875,832.42/1,208,648.19 = 473,424.42/x - Step 3: Cross multiply
875,832.42x = 1,208,648.19 × 473,424.42 - Step 4: Simplify right side
875,832.42x = 572,203,568,334.80 - Step 5: Solve for x
x = 572,203,568,334.80/875,832.42 - Step 6: Final answer
x = 653,325.40
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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.