Finding the Fourth Proportional to 684,558.88, 944,401.98 and 458,277.28
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Solution
The fourth proportional to 684,558.88, 944,401.98 and 458,277.28 is: 632,228.99
Step by Step Solution
- Step 1: Write the proportion equation
684,558.88 : 944,401.98 = 458,277.28 : x - Step 2: Convert to fraction form
684,558.88/944,401.98 = 458,277.28/x - Step 3: Cross multiply
684,558.88x = 944,401.98 × 458,277.28 - Step 4: Simplify right side
684,558.88x = 432,797,969,978.55 - Step 5: Solve for x
x = 432,797,969,978.55/684,558.88 - Step 6: Final answer
x = 632,228.99
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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.