Finding the Fourth Proportional to 674,693.98, 931,052.15 and 368,767.84
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Solution
The fourth proportional to 674,693.98, 931,052.15 and 368,767.84 is: 508,885.65
Step by Step Solution
- Step 1: Write the proportion equation
674,693.98 : 931,052.15 = 368,767.84 : x - Step 2: Convert to fraction form
674,693.98/931,052.15 = 368,767.84/x - Step 3: Cross multiply
674,693.98x = 931,052.15 × 368,767.84 - Step 4: Simplify right side
674,693.98x = 343,342,083,783.76 - Step 5: Solve for x
x = 343,342,083,783.76/674,693.98 - Step 6: Final answer
x = 508,885.65
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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.