Finding the Fourth Proportional to 670,278.84, 924,845.22 and 398,442.84
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Solution
The fourth proportional to 670,278.84, 924,845.22 and 398,442.84 is: 549,768.15
Step by Step Solution
- Step 1: Write the proportion equation
670,278.84 : 924,845.22 = 398,442.84 : x - Step 2: Convert to fraction form
670,278.84/924,845.22 = 398,442.84/x - Step 3: Cross multiply
670,278.84x = 924,845.22 × 398,442.84 - Step 4: Simplify right side
670,278.84x = 368,497,956,017.23 - Step 5: Solve for x
x = 368,497,956,017.23/670,278.84 - Step 6: Final answer
x = 549,768.15
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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.