Finding the Fourth Proportional to 526,879.54, 727,175.64 and 346,115.08
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Solution
The fourth proportional to 526,879.54, 727,175.64 and 346,115.08 is: 477,692.60
Step by Step Solution
- Step 1: Write the proportion equation
526,879.54 : 727,175.64 = 346,115.08 : x - Step 2: Convert to fraction form
526,879.54/727,175.64 = 346,115.08/x - Step 3: Cross multiply
526,879.54x = 727,175.64 × 346,115.08 - Step 4: Simplify right side
526,879.54x = 251,686,454,812.65 - Step 5: Solve for x
x = 251,686,454,812.65/526,879.54 - Step 6: Final answer
x = 477,692.60
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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.