Finding the Fourth Proportional to 553,358.12, 762,028.98 and 480,728.12
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Solution
The fourth proportional to 553,358.12, 762,028.98 and 480,728.12 is: 662,010.27
Step by Step Solution
- Step 1: Write the proportion equation
553,358.12 : 762,028.98 = 480,728.12 : x - Step 2: Convert to fraction form
553,358.12/762,028.98 = 480,728.12/x - Step 3: Cross multiply
553,358.12x = 762,028.98 × 480,728.12 - Step 4: Simplify right side
553,358.12x = 366,328,758,940.92 - Step 5: Solve for x
x = 366,328,758,940.92/553,358.12 - Step 6: Final answer
x = 662,010.27
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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.