Finding the Fourth Proportional to 761,266.04, 1,050,071.96 and 489,687.98
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Solution
The fourth proportional to 761,266.04, 1,050,071.96 and 489,687.98 is: 675,463.75
Step by Step Solution
- Step 1: Write the proportion equation
761,266.04 : 1,050,071.96 = 489,687.98 : x - Step 2: Convert to fraction form
761,266.04/1,050,071.96 = 489,687.98/x - Step 3: Cross multiply
761,266.04x = 1,050,071.96 × 489,687.98 - Step 4: Simplify right side
761,266.04x = 514,207,616,947.04 - Step 5: Solve for x
x = 514,207,616,947.04/761,266.04 - Step 6: Final answer
x = 675,463.75
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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.