Finding the Fourth Proportional to 565,831.04, 780,866.88 and 311,201.92
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Solution
The fourth proportional to 565,831.04, 780,866.88 and 311,201.92 is: 429,469.67
Step by Step Solution
- Step 1: Write the proportion equation
565,831.04 : 780,866.88 = 311,201.92 : x - Step 2: Convert to fraction form
565,831.04/780,866.88 = 311,201.92/x - Step 3: Cross multiply
565,831.04x = 780,866.88 × 311,201.92 - Step 4: Simplify right side
565,831.04x = 243,007,272,320.41 - Step 5: Solve for x
x = 243,007,272,320.41/565,831.04 - Step 6: Final answer
x = 429,469.67
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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.