Finding the Fourth Proportional to 513,250.84, 708,310.74 and 283,804.12
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Solution
The fourth proportional to 513,250.84, 708,310.74 and 283,804.12 is: 391,663.28
Step by Step Solution
- Step 1: Write the proportion equation
513,250.84 : 708,310.74 = 283,804.12 : x - Step 2: Convert to fraction form
513,250.84/708,310.74 = 283,804.12/x - Step 3: Cross multiply
513,250.84x = 708,310.74 × 283,804.12 - Step 4: Simplify right side
513,250.84x = 201,021,506,252.25 - Step 5: Solve for x
x = 201,021,506,252.25/513,250.84 - Step 6: Final answer
x = 391,663.28
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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.