Finding the Fourth Proportional to 761,340.42, 1,050,174.06 and 489,762
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Solution
The fourth proportional to 761,340.42, 1,050,174.06 and 489,762 is: 675,565.53
Step by Step Solution
- Step 1: Write the proportion equation
761,340.42 : 1,050,174.06 = 489,762 : x - Step 2: Convert to fraction form
761,340.42/1,050,174.06 = 489,762/x - Step 3: Cross multiply
761,340.42x = 1,050,174.06 × 489,762 - Step 4: Simplify right side
761,340.42x = 514,335,347,973.72 - Step 5: Solve for x
x = 514,335,347,973.72/761,340.42 - Step 6: Final answer
x = 675,565.53
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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.