Finding the Fourth Proportional to 979,725.40, 1,351,946.41 and 549,922.49
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Solution
The fourth proportional to 979,725.40, 1,351,946.41 and 549,922.49 is: 758,851.14
Step by Step Solution
- Step 1: Write the proportion equation
979,725.40 : 1,351,946.41 = 549,922.49 : x - Step 2: Convert to fraction form
979,725.40/1,351,946.41 = 549,922.49/x - Step 3: Cross multiply
979,725.40x = 1,351,946.41 × 549,922.49 - Step 4: Simplify right side
979,725.40x = 743,465,736,133.76 - Step 5: Solve for x
x = 743,465,736,133.76/979,725.40 - Step 6: Final answer
x = 758,851.14
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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.