Finding the Fourth Proportional to 705,187.08, 973,130.87 and 382,889.79
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Solution
The fourth proportional to 705,187.08, 973,130.87 and 382,889.79 is: 528,373.08
Step by Step Solution
- Step 1: Write the proportion equation
705,187.08 : 973,130.87 = 382,889.79 : x - Step 2: Convert to fraction form
705,187.08/973,130.87 = 382,889.79/x - Step 3: Cross multiply
705,187.08x = 973,130.87 × 382,889.79 - Step 4: Simplify right side
705,187.08x = 372,601,872,542.37 - Step 5: Solve for x
x = 372,601,872,542.37/705,187.08 - Step 6: Final answer
x = 528,373.08
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1.5x scale
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.