Finding the Fourth Proportional to 671,462.21, 926,589.31 and 365,532.19
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Solution
The fourth proportional to 671,462.21, 926,589.31 and 365,532.19 is: 504,418.88
Step by Step Solution
- Step 1: Write the proportion equation
671,462.21 : 926,589.31 = 365,532.19 : x - Step 2: Convert to fraction form
671,462.21/926,589.31 = 365,532.19/x - Step 3: Cross multiply
671,462.21x = 926,589.31 × 365,532.19 - Step 4: Simplify right side
671,462.21x = 338,698,216,484.59 - Step 5: Solve for x
x = 338,698,216,484.59/671,462.21 - Step 6: Final answer
x = 504,418.88
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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.