Finding the Fourth Proportional to 829,926.15, 1,242,893.51 and 473,860.95
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Solution
The fourth proportional to 829,926.15, 1,242,893.51 and 473,860.95 is: 709,651.93
Step by Step Solution
- Step 1: Write the proportion equation
829,926.15 : 1,242,893.51 = 473,860.95 : x - Step 2: Convert to fraction form
829,926.15/1,242,893.51 = 473,860.95/x - Step 3: Cross multiply
829,926.15x = 1,242,893.51 × 473,860.95 - Step 4: Simplify right side
829,926.15x = 588,958,697,028.13 - Step 5: Solve for x
x = 588,958,697,028.13/829,926.15 - Step 6: Final answer
x = 709,651.93
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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.