Finding the Fourth Proportional to 671,948.26, 927,288.61 and 370,142.26
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Solution
The fourth proportional to 671,948.26, 927,288.61 and 370,142.26 is: 510,796.32
Step by Step Solution
- Step 1: Write the proportion equation
671,948.26 : 927,288.61 = 370,142.26 : x - Step 2: Convert to fraction form
671,948.26/927,288.61 = 370,142.26/x - Step 3: Cross multiply
671,948.26x = 927,288.61 × 370,142.26 - Step 4: Simplify right side
671,948.26x = 343,228,698,534.08 - Step 5: Solve for x
x = 343,228,698,534.08/671,948.26 - Step 6: Final answer
x = 510,796.32
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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.