Finding the Fourth Proportional to 651,709.26, 898,416.36 and 457,525.71
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Solution
The fourth proportional to 651,709.26, 898,416.36 and 457,525.71 is: 630,723.86
Step by Step Solution
- Step 1: Write the proportion equation
651,709.26 : 898,416.36 = 457,525.71 : x - Step 2: Convert to fraction form
651,709.26/898,416.36 = 457,525.71/x - Step 3: Cross multiply
651,709.26x = 898,416.36 × 457,525.71 - Step 4: Simplify right side
651,709.26x = 411,048,582,984.62 - Step 5: Solve for x
x = 411,048,582,984.62/651,709.26 - Step 6: Final answer
x = 630,723.86
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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.