Finding the Fourth Proportional to 671,445.29, 926,566.12 and 365,515.31
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Solution
The fourth proportional to 671,445.29, 926,566.12 and 365,515.31 is: 504,395.68
Step by Step Solution
- Step 1: Write the proportion equation
671,445.29 : 926,566.12 = 365,515.31 : x - Step 2: Convert to fraction form
671,445.29/926,566.12 = 365,515.31/x - Step 3: Cross multiply
671,445.29x = 926,566.12 × 365,515.31 - Step 4: Simplify right side
671,445.29x = 338,674,103,989.92 - Step 5: Solve for x
x = 338,674,103,989.92/671,445.29 - Step 6: Final answer
x = 504,395.68
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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.