Finding the Fourth Proportional to 626,558.92, 864,652.30 and 340,079.14
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Solution
The fourth proportional to 626,558.92, 864,652.30 and 340,079.14 is: 469,309.75
Step by Step Solution
- Step 1: Write the proportion equation
626,558.92 : 864,652.30 = 340,079.14 : x - Step 2: Convert to fraction form
626,558.92/864,652.30 = 340,079.14/x - Step 3: Cross multiply
626,558.92x = 864,652.30 × 340,079.14 - Step 4: Simplify right side
626,558.92x = 294,050,210,583.02 - Step 5: Solve for x
x = 294,050,210,583.02/626,558.92 - Step 6: Final answer
x = 469,309.75
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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.