Finding the Fourth Proportional to 418,783.27, 623,438.63 and 416,292.13
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Solution
The fourth proportional to 418,783.27, 623,438.63 and 416,292.13 is: 619,730.09
Step by Step Solution
- Step 1: Write the proportion equation
418,783.27 : 623,438.63 = 416,292.13 : x - Step 2: Convert to fraction form
418,783.27/623,438.63 = 416,292.13/x - Step 3: Cross multiply
418,783.27x = 623,438.63 × 416,292.13 - Step 4: Simplify right side
418,783.27x = 259,532,595,206.98 - Step 5: Solve for x
x = 259,532,595,206.98/418,783.27 - Step 6: Final answer
x = 619,730.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.