Finding the Fourth Proportional to 889,270.65, 1,224,605.79 and 772,931.97
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Solution
The fourth proportional to 889,270.65, 1,224,605.79 and 772,931.97 is: 1,064,396.95
Step by Step Solution
- Step 1: Write the proportion equation
889,270.65 : 1,224,605.79 = 772,931.97 : x - Step 2: Convert to fraction form
889,270.65/1,224,605.79 = 772,931.97/x - Step 3: Cross multiply
889,270.65x = 1,224,605.79 × 772,931.97 - Step 4: Simplify right side
889,270.65x = 946,536,965,738.11 - Step 5: Solve for x
x = 946,536,965,738.11/889,270.65 - Step 6: Final answer
x = 1,064,396.95
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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.