Finding the Fourth Proportional to 910,831.30, 1,366,246.95 and 898,389.70
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Solution
The fourth proportional to 910,831.30, 1,366,246.95 and 898,389.70 is: 1,347,584.55
Step by Step Solution
- Step 1: Write the proportion equation
910,831.30 : 1,366,246.95 = 898,389.70 : x - Step 2: Convert to fraction form
910,831.30/1,366,246.95 = 898,389.70/x - Step 3: Cross multiply
910,831.30x = 1,366,246.95 × 898,389.70 - Step 4: Simplify right side
910,831.30x = 1,227,422,187,536.41 - Step 5: Solve for x
x = 1,227,422,187,536.41/910,831.30 - Step 6: Final answer
x = 1,347,584.55
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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.