Finding the Fourth Proportional to 626,576.38, 864,652.14 and 340,090.30
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Solution
The fourth proportional to 626,576.38, 864,652.14 and 340,090.30 is: 469,311.99
Step by Step Solution
- Step 1: Write the proportion equation
626,576.38 : 864,652.14 = 340,090.30 : x - Step 2: Convert to fraction form
626,576.38/864,652.14 = 340,090.30/x - Step 3: Cross multiply
626,576.38x = 864,652.14 × 340,090.30 - Step 4: Simplify right side
626,576.38x = 294,059,805,688.24 - Step 5: Solve for x
x = 294,059,805,688.24/626,576.38 - Step 6: Final answer
x = 469,311.99
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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.