Finding the Fourth Proportional to 686,090.99, 1,030,079.23 and 349,358.00
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Solution
The fourth proportional to 686,090.99, 1,030,079.23 and 349,358.00 is: 524,517.04
Step by Step Solution
- Step 1: Write the proportion equation
686,090.99 : 1,030,079.23 = 349,358.00 : x - Step 2: Convert to fraction form
686,090.99/1,030,079.23 = 349,358.00/x - Step 3: Cross multiply
686,090.99x = 1,030,079.23 × 349,358.00 - Step 4: Simplify right side
686,090.99x = 359,866,413,610.55 - Step 5: Solve for x
x = 359,866,413,610.55/686,090.99 - Step 6: Final answer
x = 524,517.04
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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.