Finding the Fourth Proportional to 635,688.84, 954,366.66 and 426,263.88
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Solution
The fourth proportional to 635,688.84, 954,366.66 and 426,263.88 is: 639,954.66
Step by Step Solution
- Step 1: Write the proportion equation
635,688.84 : 954,366.66 = 426,263.88 : x - Step 2: Convert to fraction form
635,688.84/954,366.66 = 426,263.88/x - Step 3: Cross multiply
635,688.84x = 954,366.66 × 426,263.88 - Step 4: Simplify right side
635,688.84x = 406,812,035,434.24 - Step 5: Solve for x
x = 406,812,035,434.24/635,688.84 - Step 6: Final answer
x = 639,954.66
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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.