Finding the Fourth Proportional to 734,521.92, 1,013,262.48 and 489,927.84
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Solution
The fourth proportional to 734,521.92, 1,013,262.48 and 489,927.84 is: 675,848.45
Step by Step Solution
- Step 1: Write the proportion equation
734,521.92 : 1,013,262.48 = 489,927.84 : x - Step 2: Convert to fraction form
734,521.92/1,013,262.48 = 489,927.84/x - Step 3: Cross multiply
734,521.92x = 1,013,262.48 × 489,927.84 - Step 4: Simplify right side
734,521.92x = 496,425,498,179.44 - Step 5: Solve for x
x = 496,425,498,179.44/734,521.92 - Step 6: Final answer
x = 675,848.45
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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.