Finding the Fourth Proportional to 712,760.99, 983,610.14 and 426,281.06
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Solution
The fourth proportional to 712,760.99, 983,610.14 and 426,281.06 is: 588,267.85
Step by Step Solution
- Step 1: Write the proportion equation
712,760.99 : 983,610.14 = 426,281.06 : x - Step 2: Convert to fraction form
712,760.99/983,610.14 = 426,281.06/x - Step 3: Cross multiply
712,760.99x = 983,610.14 × 426,281.06 - Step 4: Simplify right side
712,760.99x = 419,294,373,433.57 - Step 5: Solve for x
x = 419,294,373,433.57/712,760.99 - Step 6: Final answer
x = 588,267.85
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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.