Finding the Fourth Proportional to 869,548.93, 1,199,976.42 and 482,423.08
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Solution
The fourth proportional to 869,548.93, 1,199,976.42 and 482,423.08 is: 665,743.24
Step by Step Solution
- Step 1: Write the proportion equation
869,548.93 : 1,199,976.42 = 482,423.08 : x - Step 2: Convert to fraction form
869,548.93/1,199,976.42 = 482,423.08/x - Step 3: Cross multiply
869,548.93x = 1,199,976.42 × 482,423.08 - Step 4: Simplify right side
869,548.93x = 578,896,320,463.77 - Step 5: Solve for x
x = 578,896,320,463.77/869,548.93 - Step 6: Final answer
x = 665,743.24
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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.