Finding the Fourth Proportional to 879,954.30, 1,214,354.19 and 574,226.28
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Solution
The fourth proportional to 879,954.30, 1,214,354.19 and 574,226.28 is: 792,443.53
Step by Step Solution
- Step 1: Write the proportion equation
879,954.30 : 1,214,354.19 = 574,226.28 : x - Step 2: Convert to fraction form
879,954.30/1,214,354.19 = 574,226.28/x - Step 3: Cross multiply
879,954.30x = 1,214,354.19 × 574,226.28 - Step 4: Simplify right side
879,954.30x = 697,314,089,126.11 - Step 5: Solve for x
x = 697,314,089,126.11/879,954.30 - Step 6: Final answer
x = 792,443.53
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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.