Finding the Fourth Proportional to 705,750.99, 1,058,031.41 and 306,090.75
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Solution
The fourth proportional to 705,750.99, 1,058,031.41 and 306,090.75 is: 458,878.03
Step by Step Solution
- Step 1: Write the proportion equation
705,750.99 : 1,058,031.41 = 306,090.75 : x - Step 2: Convert to fraction form
705,750.99/1,058,031.41 = 306,090.75/x - Step 3: Cross multiply
705,750.99x = 1,058,031.41 × 306,090.75 - Step 4: Simplify right side
705,750.99x = 323,853,626,280.00 - Step 5: Solve for x
x = 323,853,626,280.00/705,750.99 - Step 6: Final answer
x = 458,878.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.