Finding the Fourth Proportional to 929,937.20, 1,283,312.68 and 522,039.83
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Solution
The fourth proportional to 929,937.20, 1,283,312.68 and 522,039.83 is: 720,414.59
Step by Step Solution
- Step 1: Write the proportion equation
929,937.20 : 1,283,312.68 = 522,039.83 : x - Step 2: Convert to fraction form
929,937.20/1,283,312.68 = 522,039.83/x - Step 3: Cross multiply
929,937.20x = 1,283,312.68 × 522,039.83 - Step 4: Simplify right side
929,937.20x = 669,940,325,582.38 - Step 5: Solve for x
x = 669,940,325,582.38/929,937.20 - Step 6: Final answer
x = 720,414.59
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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.