Finding the Fourth Proportional to 671,927.34, 927,259.80 and 370,121.34
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Solution
The fourth proportional to 671,927.34, 927,259.80 and 370,121.34 is: 510,767.49
Step by Step Solution
- Step 1: Write the proportion equation
671,927.34 : 927,259.80 = 370,121.34 : x - Step 2: Convert to fraction form
671,927.34/927,259.80 = 370,121.34/x - Step 3: Cross multiply
671,927.34x = 927,259.80 × 370,121.34 - Step 4: Simplify right side
671,927.34x = 343,198,639,704.13 - Step 5: Solve for x
x = 343,198,639,704.13/671,927.34 - Step 6: Final answer
x = 510,767.49
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1.5x scale
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.