Finding the Fourth Proportional to 804,988.52, 1,110,909.15 and 442,405.79
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Solution
The fourth proportional to 804,988.52, 1,110,909.15 and 442,405.79 is: 610,533.72
Step by Step Solution
- Step 1: Write the proportion equation
804,988.52 : 1,110,909.15 = 442,405.79 : x - Step 2: Convert to fraction form
804,988.52/1,110,909.15 = 442,405.79/x - Step 3: Cross multiply
804,988.52x = 1,110,909.15 × 442,405.79 - Step 4: Simplify right side
804,988.52x = 491,472,634,569.43 - Step 5: Solve for x
x = 491,472,634,569.43/804,988.52 - Step 6: Final answer
x = 610,533.72
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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.