Finding the Fourth Proportional to 719,831.36, 993,367.28 and 418,044.80
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Solution
The fourth proportional to 719,831.36, 993,367.28 and 418,044.80 is: 576,901.83
Step by Step Solution
- Step 1: Write the proportion equation
719,831.36 : 993,367.28 = 418,044.80 : x - Step 2: Convert to fraction form
719,831.36/993,367.28 = 418,044.80/x - Step 3: Cross multiply
719,831.36x = 993,367.28 × 418,044.80 - Step 4: Simplify right side
719,831.36x = 415,272,025,894.14 - Step 5: Solve for x
x = 415,272,025,894.14/719,831.36 - Step 6: Final answer
x = 576,901.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.