Finding the Fourth Proportional to 925,908.84, 1,277,239.68 and 538,680.96
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Solution
The fourth proportional to 925,908.84, 1,277,239.68 and 538,680.96 is: 743,080.38
Step by Step Solution
- Step 1: Write the proportion equation
925,908.84 : 1,277,239.68 = 538,680.96 : x - Step 2: Convert to fraction form
925,908.84/1,277,239.68 = 538,680.96/x - Step 3: Cross multiply
925,908.84x = 1,277,239.68 × 538,680.96 - Step 4: Simplify right side
925,908.84x = 688,024,696,972.49 - Step 5: Solve for x
x = 688,024,696,972.49/925,908.84 - Step 6: Final answer
x = 743,080.38
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1.5x scale
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.