Finding the Fourth Proportional to 614,870.10, 848,585.97 and 360,435.06
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Solution
The fourth proportional to 614,870.10, 848,585.97 and 360,435.06 is: 497,438.62
Step by Step Solution
- Step 1: Write the proportion equation
614,870.10 : 848,585.97 = 360,435.06 : x - Step 2: Convert to fraction form
614,870.10/848,585.97 = 360,435.06/x - Step 3: Cross multiply
614,870.10x = 848,585.97 × 360,435.06 - Step 4: Simplify right side
614,870.10x = 305,860,135,012.11 - Step 5: Solve for x
x = 305,860,135,012.11/614,870.10 - Step 6: Final answer
x = 497,438.62
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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.