Finding the Fourth Proportional to 719,088.76, 1,079,045.28 and 292,545.87
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Solution
The fourth proportional to 719,088.76, 1,079,045.28 and 292,545.87 is: 438,986.47
Step by Step Solution
- Step 1: Write the proportion equation
719,088.76 : 1,079,045.28 = 292,545.87 : x - Step 2: Convert to fraction form
719,088.76/1,079,045.28 = 292,545.87/x - Step 3: Cross multiply
719,088.76x = 1,079,045.28 × 292,545.87 - Step 4: Simplify right side
719,088.76x = 315,670,233,349.04 - Step 5: Solve for x
x = 315,670,233,349.04/719,088.76 - Step 6: Final answer
x = 438,986.47
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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.