Finding the Fourth Proportional to 845,679.06, 1,166,992.65 and 483,031.26
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Solution
The fourth proportional to 845,679.06, 1,166,992.65 and 483,031.26 is: 666,557.75
Step by Step Solution
- Step 1: Write the proportion equation
845,679.06 : 1,166,992.65 = 483,031.26 : x - Step 2: Convert to fraction form
845,679.06/1,166,992.65 = 483,031.26/x - Step 3: Cross multiply
845,679.06x = 1,166,992.65 × 483,031.26 - Step 4: Simplify right side
845,679.06x = 563,693,930,140.24 - Step 5: Solve for x
x = 563,693,930,140.24/845,679.06 - Step 6: Final answer
x = 666,557.75
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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.