Finding the Fourth Proportional to 545,577.25, 817,840.97 and 279,463.09
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Solution
The fourth proportional to 545,577.25, 817,840.97 and 279,463.09 is: 418,925.76
Step by Step Solution
- Step 1: Write the proportion equation
545,577.25 : 817,840.97 = 279,463.09 : x - Step 2: Convert to fraction form
545,577.25/817,840.97 = 279,463.09/x - Step 3: Cross multiply
545,577.25x = 817,840.97 × 279,463.09 - Step 4: Simplify right side
545,577.25x = 228,556,360,515.59 - Step 5: Solve for x
x = 228,556,360,515.59/545,577.25 - Step 6: Final answer
x = 418,925.76
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1.5x scale
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.