Finding the Fourth Proportional to 531,126.60, 796,925.36 and 278,346.99
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Solution
The fourth proportional to 531,126.60, 796,925.36 and 278,346.99 is: 417,643.88
Step by Step Solution
- Step 1: Write the proportion equation
531,126.60 : 796,925.36 = 278,346.99 : x - Step 2: Convert to fraction form
531,126.60/796,925.36 = 278,346.99/x - Step 3: Cross multiply
531,126.60x = 796,925.36 × 278,346.99 - Step 4: Simplify right side
531,126.60x = 221,821,775,210.67 - Step 5: Solve for x
x = 221,821,775,210.67/531,126.60 - Step 6: Final answer
x = 417,643.88
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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.