Finding the Fourth Proportional to 804,642.71, 1,110,426.51 and 442,090.05
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Solution
The fourth proportional to 804,642.71, 1,110,426.51 and 442,090.05 is: 610,095.02
Step by Step Solution
- Step 1: Write the proportion equation
804,642.71 : 1,110,426.51 = 442,090.05 : x - Step 2: Convert to fraction form
804,642.71/1,110,426.51 = 442,090.05/x - Step 3: Cross multiply
804,642.71x = 1,110,426.51 × 442,090.05 - Step 4: Simplify right side
804,642.71x = 490,908,511,327.23 - Step 5: Solve for x
x = 490,908,511,327.23/804,642.71 - Step 6: Final answer
x = 610,095.02
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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.