Finding the Fourth Proportional to 763,622.08, 1,053,736.99 and 441,353.05
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Solution
The fourth proportional to 763,622.08, 1,053,736.99 and 441,353.05 is: 609,031.68
Step by Step Solution
- Step 1: Write the proportion equation
763,622.08 : 1,053,736.99 = 441,353.05 : x - Step 2: Convert to fraction form
763,622.08/1,053,736.99 = 441,353.05/x - Step 3: Cross multiply
763,622.08x = 1,053,736.99 × 441,353.05 - Step 4: Simplify right side
763,622.08x = 465,070,036,303.18 - Step 5: Solve for x
x = 465,070,036,303.18/763,622.08 - Step 6: Final answer
x = 609,031.68
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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.