Finding the Fourth Proportional to 824,734.08, 1,138,202.82 and 462,153.78
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Solution
The fourth proportional to 824,734.08, 1,138,202.82 and 462,153.78 is: 637,811.32
Step by Step Solution
- Step 1: Write the proportion equation
824,734.08 : 1,138,202.82 = 462,153.78 : x - Step 2: Convert to fraction form
824,734.08/1,138,202.82 = 462,153.78/x - Step 3: Cross multiply
824,734.08x = 1,138,202.82 × 462,153.78 - Step 4: Simplify right side
824,734.08x = 526,024,735,669.66 - Step 5: Solve for x
x = 526,024,735,669.66/824,734.08 - Step 6: Final answer
x = 637,811.32
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1.5x scale
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.