Finding the Fourth Proportional to 734,752.80, 1,102,129.20 and 314,848.80
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Solution
The fourth proportional to 734,752.80, 1,102,129.20 and 314,848.80 is: 472,273.20
Step by Step Solution
- Step 1: Write the proportion equation
734,752.80 : 1,102,129.20 = 314,848.80 : x - Step 2: Convert to fraction form
734,752.80/1,102,129.20 = 314,848.80/x - Step 3: Cross multiply
734,752.80x = 1,102,129.20 × 314,848.80 - Step 4: Simplify right side
734,752.80x = 347,004,056,064.96 - Step 5: Solve for x
x = 347,004,056,064.96/734,752.80 - Step 6: Final answer
x = 472,273.20
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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.