Finding the Fourth Proportional to 780,043.42, 1,168,067.58 and 539,824.70
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Solution
The fourth proportional to 780,043.42, 1,168,067.58 and 539,824.70 is: 808,354.66
Step by Step Solution
- Step 1: Write the proportion equation
780,043.42 : 1,168,067.58 = 539,824.70 : x - Step 2: Convert to fraction form
780,043.42/1,168,067.58 = 539,824.70/x - Step 3: Cross multiply
780,043.42x = 1,168,067.58 × 539,824.70 - Step 4: Simplify right side
780,043.42x = 630,551,730,953.23 - Step 5: Solve for x
x = 630,551,730,953.23/780,043.42 - Step 6: Final answer
x = 808,354.66
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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.