Finding the Fourth Proportional to 864,987.01, 1,193,677.31 and 477,829.08
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Solution
The fourth proportional to 864,987.01, 1,193,677.31 and 477,829.08 is: 659,401.50
Step by Step Solution
- Step 1: Write the proportion equation
864,987.01 : 1,193,677.31 = 477,829.08 : x - Step 2: Convert to fraction form
864,987.01/1,193,677.31 = 477,829.08/x - Step 3: Cross multiply
864,987.01x = 1,193,677.31 × 477,829.08 - Step 4: Simplify right side
864,987.01x = 570,373,732,048.75 - Step 5: Solve for x
x = 570,373,732,048.75/864,987.01 - Step 6: Final answer
x = 659,401.50
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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.