Finding the Fourth Proportional to 925,984.12, 1,395,916.58 and 864,259.46
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Solution
The fourth proportional to 925,984.12, 1,395,916.58 and 864,259.46 is: 1,302,866.95
Step by Step Solution
- Step 1: Write the proportion equation
925,984.12 : 1,395,916.58 = 864,259.46 : x - Step 2: Convert to fraction form
925,984.12/1,395,916.58 = 864,259.46/x - Step 3: Cross multiply
925,984.12x = 1,395,916.58 × 864,259.46 - Step 4: Simplify right side
925,984.12x = 1,206,434,109,635.85 - Step 5: Solve for x
x = 1,206,434,109,635.85/925,984.12 - Step 6: Final answer
x = 1,302,866.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.