Finding the Fourth Proportional to 651,264.99, 898,773.27 and 379,289.05
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Solution
The fourth proportional to 651,264.99, 898,773.27 and 379,289.05 is: 523,434.95
Step by Step Solution
- Step 1: Write the proportion equation
651,264.99 : 898,773.27 = 379,289.05 : x - Step 2: Convert to fraction form
651,264.99/898,773.27 = 379,289.05/x - Step 3: Cross multiply
651,264.99x = 898,773.27 × 379,289.05 - Step 4: Simplify right side
651,264.99x = 340,894,859,743.69 - Step 5: Solve for x
x = 340,894,859,743.69/651,264.99 - Step 6: Final answer
x = 523,434.95
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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.