Finding the Fourth Proportional to 1,544,378.70, 2,317,005.45 and 479,528.40
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Solution
The fourth proportional to 1,544,378.70, 2,317,005.45 and 479,528.40 is: 719,428.41
Step by Step Solution
- Step 1: Write the proportion equation
1,544,378.70 : 2,317,005.45 = 479,528.40 : x - Step 2: Convert to fraction form
1,544,378.70/2,317,005.45 = 479,528.40/x - Step 3: Cross multiply
1,544,378.70x = 2,317,005.45 × 479,528.40 - Step 4: Simplify right side
1,544,378.70x = 1,111,069,916,229.78 - Step 5: Solve for x
x = 1,111,069,916,229.78/1,544,378.70 - Step 6: Final answer
x = 719,428.41
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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.