Finding the Fourth Proportional to 773,857.99, 1,155,575.81 and 631,984.71
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Solution
The fourth proportional to 773,857.99, 1,155,575.81 and 631,984.71 is: 943,721.27
Step by Step Solution
- Step 1: Write the proportion equation
773,857.99 : 1,155,575.81 = 631,984.71 : x - Step 2: Convert to fraction form
773,857.99/1,155,575.81 = 631,984.71/x - Step 3: Cross multiply
773,857.99x = 1,155,575.81 × 631,984.71 - Step 4: Simplify right side
773,857.99x = 730,306,245,759.40 - Step 5: Solve for x
x = 730,306,245,759.40/773,857.99 - Step 6: Final answer
x = 943,721.27
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.