Finding the Fourth Proportional to 804,810.20, 1,110,637.76 and 442,257.41
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Solution
The fourth proportional to 804,810.20, 1,110,637.76 and 442,257.41 is: 610,315.05
Step by Step Solution
- Step 1: Write the proportion equation
804,810.20 : 1,110,637.76 = 442,257.41 : x - Step 2: Convert to fraction form
804,810.20/1,110,637.76 = 442,257.41/x - Step 3: Cross multiply
804,810.20x = 1,110,637.76 × 442,257.41 - Step 4: Simplify right side
804,810.20x = 491,187,771,421.33 - Step 5: Solve for x
x = 491,187,771,421.33/804,810.20 - Step 6: Final answer
x = 610,315.05
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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.