Finding the Fourth Proportional to 877,027.84, 1,315,541.66 and 330,023.09
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Solution
The fourth proportional to 877,027.84, 1,315,541.66 and 330,023.09 is: 495,034.60
Step by Step Solution
- Step 1: Write the proportion equation
877,027.84 : 1,315,541.66 = 330,023.09 : x - Step 2: Convert to fraction form
877,027.84/1,315,541.66 = 330,023.09/x - Step 3: Cross multiply
877,027.84x = 1,315,541.66 × 330,023.09 - Step 4: Simplify right side
877,027.84x = 434,159,125,295.67 - Step 5: Solve for x
x = 434,159,125,295.67/877,027.84 - Step 6: Final answer
x = 495,034.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.