Finding the Fourth Proportional to 1,047,302.84, 1,445,442.10 and 617,630.24
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Solution
The fourth proportional to 1,047,302.84, 1,445,442.10 and 617,630.24 is: 852,426.55
Step by Step Solution
- Step 1: Write the proportion equation
1,047,302.84 : 1,445,442.10 = 617,630.24 : x - Step 2: Convert to fraction form
1,047,302.84/1,445,442.10 = 617,630.24/x - Step 3: Cross multiply
1,047,302.84x = 1,445,442.10 × 617,630.24 - Step 4: Simplify right side
1,047,302.84x = 892,748,751,129.10 - Step 5: Solve for x
x = 892,748,751,129.10/1,047,302.84 - Step 6: Final answer
x = 852,426.55
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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.