Finding the Fourth Proportional to 439,497.40, 659,246.10 and 434,831.80
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Solution
The fourth proportional to 439,497.40, 659,246.10 and 434,831.80 is: 652,247.70
Step by Step Solution
- Step 1: Write the proportion equation
439,497.40 : 659,246.10 = 434,831.80 : x - Step 2: Convert to fraction form
439,497.40/659,246.10 = 434,831.80/x - Step 3: Cross multiply
439,497.40x = 659,246.10 × 434,831.80 - Step 4: Simplify right side
439,497.40x = 286,661,168,305.98 - Step 5: Solve for x
x = 286,661,168,305.98/439,497.40 - Step 6: Final answer
x = 652,247.70
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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.