Finding the Fourth Proportional to 513,330.84, 708,383.61 and 283,882.05
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Solution
The fourth proportional to 513,330.84, 708,383.61 and 283,882.05 is: 391,750.07
Step by Step Solution
- Step 1: Write the proportion equation
513,330.84 : 708,383.61 = 283,882.05 : x - Step 2: Convert to fraction form
513,330.84/708,383.61 = 283,882.05/x - Step 3: Cross multiply
513,330.84x = 708,383.61 × 283,882.05 - Step 4: Simplify right side
513,330.84x = 201,097,391,393.20 - Step 5: Solve for x
x = 201,097,391,393.20/513,330.84 - Step 6: Final answer
x = 391,750.07
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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.