Finding the Fourth Proportional to 705,917.08, 1,058,280.80 and 306,257.14
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Solution
The fourth proportional to 705,917.08, 1,058,280.80 and 306,257.14 is: 459,127.65
Step by Step Solution
- Step 1: Write the proportion equation
705,917.08 : 1,058,280.80 = 306,257.14 : x - Step 2: Convert to fraction form
705,917.08/1,058,280.80 = 306,257.14/x - Step 3: Cross multiply
705,917.08x = 1,058,280.80 × 306,257.14 - Step 4: Simplify right side
705,917.08x = 324,106,051,124.91 - Step 5: Solve for x
x = 324,106,051,124.91/705,917.08 - Step 6: Final answer
x = 459,127.65
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1.5x scale
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.