Finding the Fourth Proportional to 893,090.74, 1,232,460.12 and 485,189.32
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Solution
The fourth proportional to 893,090.74, 1,232,460.12 and 485,189.32 is: 669,558.49
Step by Step Solution
- Step 1: Write the proportion equation
893,090.74 : 1,232,460.12 = 485,189.32 : x - Step 2: Convert to fraction form
893,090.74/1,232,460.12 = 485,189.32/x - Step 3: Cross multiply
893,090.74x = 1,232,460.12 × 485,189.32 - Step 4: Simplify right side
893,090.74x = 597,976,487,549.92 - Step 5: Solve for x
x = 597,976,487,549.92/893,090.74 - Step 6: Final answer
x = 669,558.49
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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.