Finding the Fourth Proportional to 1,544,865.58, 2,317,447.34 and 479,621.62
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Solution
The fourth proportional to 1,544,865.58, 2,317,447.34 and 479,621.62 is: 719,478.67
Step by Step Solution
- Step 1: Write the proportion equation
1,544,865.58 : 2,317,447.34 = 479,621.62 : x - Step 2: Convert to fraction form
1,544,865.58/2,317,447.34 = 479,621.62/x - Step 3: Cross multiply
1,544,865.58x = 2,317,447.34 × 479,621.62 - Step 4: Simplify right side
1,544,865.58x = 1,111,497,833,490.15 - Step 5: Solve for x
x = 1,111,497,833,490.15/1,544,865.58 - Step 6: Final answer
x = 719,478.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.