Finding the Fourth Proportional to 531,125.60, 796,923.86 and 278,345.99
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Solution
The fourth proportional to 531,125.60, 796,923.86 and 278,345.99 is: 417,642.38
Step by Step Solution
- Step 1: Write the proportion equation
531,125.60 : 796,923.86 = 278,345.99 : x - Step 2: Convert to fraction form
531,125.60/796,923.86 = 278,345.99/x - Step 3: Cross multiply
531,125.60x = 796,923.86 × 278,345.99 - Step 4: Simplify right side
531,125.60x = 221,820,555,389.97 - Step 5: Solve for x
x = 221,820,555,389.97/531,125.60 - Step 6: Final answer
x = 417,642.38
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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.