Finding the Fourth Proportional to 1,539,729.16, 2,309,445.12 and 474,485.20
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Solution
The fourth proportional to 1,539,729.16, 2,309,445.12 and 474,485.20 is: 711,682.00
Step by Step Solution
- Step 1: Write the proportion equation
1,539,729.16 : 2,309,445.12 = 474,485.20 : x - Step 2: Convert to fraction form
1,539,729.16/2,309,445.12 = 474,485.20/x - Step 3: Cross multiply
1,539,729.16x = 2,309,445.12 × 474,485.20 - Step 4: Simplify right side
1,539,729.16x = 1,095,797,529,652.22 - Step 5: Solve for x
x = 1,095,797,529,652.22/1,539,729.16 - Step 6: Final answer
x = 711,682.00
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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.