Finding the Fourth Proportional to 713,354.92, 1,070,382.62 and 286,873.50
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Solution
The fourth proportional to 713,354.92, 1,070,382.62 and 286,873.50 is: 430,451.09
Step by Step Solution
- Step 1: Write the proportion equation
713,354.92 : 1,070,382.62 = 286,873.50 : x - Step 2: Convert to fraction form
713,354.92/1,070,382.62 = 286,873.50/x - Step 3: Cross multiply
713,354.92x = 1,070,382.62 × 286,873.50 - Step 4: Simplify right side
713,354.92x = 307,064,401,752.29 - Step 5: Solve for x
x = 307,064,401,752.29/713,354.92 - Step 6: Final answer
x = 430,451.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.