Finding the Fourth Proportional to 722,897.46, 1,083,349.08 and 521,614.08
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Solution
The fourth proportional to 722,897.46, 1,083,349.08 and 521,614.08 is: 781,701.65
Step by Step Solution
- Step 1: Write the proportion equation
722,897.46 : 1,083,349.08 = 521,614.08 : x - Step 2: Convert to fraction form
722,897.46/1,083,349.08 = 521,614.08/x - Step 3: Cross multiply
722,897.46x = 1,083,349.08 × 521,614.08 - Step 4: Simplify right side
722,897.46x = 565,090,133,683.05 - Step 5: Solve for x
x = 565,090,133,683.05/722,897.46 - Step 6: Final answer
x = 781,701.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.