Finding the Fourth Proportional to 1,396,648.71, 2,094,931.49 and 385,831.49
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Solution
The fourth proportional to 1,396,648.71, 2,094,931.49 and 385,831.49 is: 578,735.74
Step by Step Solution
- Step 1: Write the proportion equation
1,396,648.71 : 2,094,931.49 = 385,831.49 : x - Step 2: Convert to fraction form
1,396,648.71/2,094,931.49 = 385,831.49/x - Step 3: Cross multiply
1,396,648.71x = 2,094,931.49 × 385,831.49 - Step 4: Simplify right side
1,396,648.71x = 808,290,525,830.81 - Step 5: Solve for x
x = 808,290,525,830.81/1,396,648.71 - Step 6: Final answer
x = 578,735.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.