Finding the Fourth Proportional to 520,320.24, 780,462.36 and 220,608.08
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Solution
The fourth proportional to 520,320.24, 780,462.36 and 220,608.08 is: 330,904.49
Step by Step Solution
- Step 1: Write the proportion equation
520,320.24 : 780,462.36 = 220,608.08 : x - Step 2: Convert to fraction form
520,320.24/780,462.36 = 220,608.08/x - Step 3: Cross multiply
520,320.24x = 780,462.36 × 220,608.08 - Step 4: Simplify right side
520,320.24x = 172,176,302,751.87 - Step 5: Solve for x
x = 172,176,302,751.87/520,320.24 - Step 6: Final answer
x = 330,904.49
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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.