Finding the Fourth Proportional to 723,005.05, 1,084,507.58 and 349,757.05
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Solution
The fourth proportional to 723,005.05, 1,084,507.58 and 349,757.05 is: 524,635.58
Step by Step Solution
- Step 1: Write the proportion equation
723,005.05 : 1,084,507.58 = 349,757.05 : x - Step 2: Convert to fraction form
723,005.05/1,084,507.58 = 349,757.05/x - Step 3: Cross multiply
723,005.05x = 1,084,507.58 × 349,757.05 - Step 4: Simplify right side
723,005.05x = 379,314,170,134.65 - Step 5: Solve for x
x = 379,314,170,134.65/723,005.05 - Step 6: Final answer
x = 524,635.58
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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.