Finding the Fourth Proportional to 805,207.91, 1,111,190.50 and 442,655.08
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Solution
The fourth proportional to 805,207.91, 1,111,190.50 and 442,655.08 is: 610,865.98
Step by Step Solution
- Step 1: Write the proportion equation
805,207.91 : 1,111,190.50 = 442,655.08 : x - Step 2: Convert to fraction form
805,207.91/1,111,190.50 = 442,655.08/x - Step 3: Cross multiply
805,207.91x = 1,111,190.50 × 442,655.08 - Step 4: Simplify right side
805,207.91x = 491,874,117,448.08 - Step 5: Solve for x
x = 491,874,117,448.08/805,207.91 - Step 6: Final answer
x = 610,865.98
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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.