Finding the Fourth Proportional to 842,879.54, 1,264,108.84 and 330,648.79
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Solution
The fourth proportional to 842,879.54, 1,264,108.84 and 330,648.79 is: 495,890.62
Step by Step Solution
- Step 1: Write the proportion equation
842,879.54 : 1,264,108.84 = 330,648.79 : x - Step 2: Convert to fraction form
842,879.54/1,264,108.84 = 330,648.79/x - Step 3: Cross multiply
842,879.54x = 1,264,108.84 × 330,648.79 - Step 4: Simplify right side
842,879.54x = 417,976,058,374.30 - Step 5: Solve for x
x = 417,976,058,374.30/842,879.54 - Step 6: Final answer
x = 495,890.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.