Finding the Fourth Proportional to 905,585.53, 1,249,657.19 and 542,827.84
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Solution
The fourth proportional to 905,585.53, 1,249,657.19 and 542,827.84 is: 749,071.94
Step by Step Solution
- Step 1: Write the proportion equation
905,585.53 : 1,249,657.19 = 542,827.84 : x - Step 2: Convert to fraction form
905,585.53/1,249,657.19 = 542,827.84/x - Step 3: Cross multiply
905,585.53x = 1,249,657.19 × 542,827.84 - Step 4: Simplify right side
905,585.53x = 678,348,710,474.03 - Step 5: Solve for x
x = 678,348,710,474.03/905,585.53 - Step 6: Final answer
x = 749,071.94
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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.