Finding the Fourth Proportional to 780,827.06, 1,077,496.62 and 431,946.62
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Solution
The fourth proportional to 780,827.06, 1,077,496.62 and 431,946.62 is: 596,061.60
Step by Step Solution
- Step 1: Write the proportion equation
780,827.06 : 1,077,496.62 = 431,946.62 : x - Step 2: Convert to fraction form
780,827.06/1,077,496.62 = 431,946.62/x - Step 3: Cross multiply
780,827.06x = 1,077,496.62 × 431,946.62 - Step 4: Simplify right side
780,827.06x = 465,421,023,070.42 - Step 5: Solve for x
x = 465,421,023,070.42/780,827.06 - Step 6: Final answer
x = 596,061.60
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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.