Finding the Fourth Proportional to 418,824.61, 628,237.01 and 292,711.19
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Solution
The fourth proportional to 418,824.61, 628,237.01 and 292,711.19 is: 439,066.85
Step by Step Solution
- Step 1: Write the proportion equation
418,824.61 : 628,237.01 = 292,711.19 : x - Step 2: Convert to fraction form
418,824.61/628,237.01 = 292,711.19/x - Step 3: Cross multiply
418,824.61x = 628,237.01 × 292,711.19 - Step 4: Simplify right side
418,824.61x = 183,892,000,389.74 - Step 5: Solve for x
x = 183,892,000,389.74/418,824.61 - Step 6: Final answer
x = 439,066.85
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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.