Finding the Fourth Proportional to 693,139.24, 1,037,343.24 and 580,946.12
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Solution
The fourth proportional to 693,139.24, 1,037,343.24 and 580,946.12 is: 869,436.46
Step by Step Solution
- Step 1: Write the proportion equation
693,139.24 : 1,037,343.24 = 580,946.12 : x - Step 2: Convert to fraction form
693,139.24/1,037,343.24 = 580,946.12/x - Step 3: Cross multiply
693,139.24x = 1,037,343.24 × 580,946.12 - Step 4: Simplify right side
693,139.24x = 602,640,530,386.23 - Step 5: Solve for x
x = 602,640,530,386.23/693,139.24 - Step 6: Final answer
x = 869,436.46
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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.