Finding the Fourth Proportional to 411,860.81, 618,227.93 and 364,781.53
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Solution
The fourth proportional to 411,860.81, 618,227.93 and 364,781.53 is: 547,559.09
Step by Step Solution
- Step 1: Write the proportion equation
411,860.81 : 618,227.93 = 364,781.53 : x - Step 2: Convert to fraction form
411,860.81/618,227.93 = 364,781.53/x - Step 3: Cross multiply
411,860.81x = 618,227.93 × 364,781.53 - Step 4: Simplify right side
411,860.81x = 225,518,129,826.98 - Step 5: Solve for x
x = 225,518,129,826.98/411,860.81 - Step 6: Final answer
x = 547,559.09
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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.