Finding the Fourth Proportional to 763,646.94, 1,053,771.12 and 441,377.91
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Solution
The fourth proportional to 763,646.94, 1,053,771.12 and 441,377.91 is: 609,065.88
Step by Step Solution
- Step 1: Write the proportion equation
763,646.94 : 1,053,771.12 = 441,377.91 : x - Step 2: Convert to fraction form
763,646.94/1,053,771.12 = 441,377.91/x - Step 3: Cross multiply
763,646.94x = 1,053,771.12 × 441,377.91 - Step 4: Simplify right side
763,646.94x = 465,111,294,563.96 - Step 5: Solve for x
x = 465,111,294,563.96/763,646.94 - Step 6: Final answer
x = 609,065.88
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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.