Finding the Fourth Proportional to 863,246.10, 1,293,119.55 and 488,831.70
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Solution
The fourth proportional to 863,246.10, 1,293,119.55 and 488,831.70 is: 732,256.80
Step by Step Solution
- Step 1: Write the proportion equation
863,246.10 : 1,293,119.55 = 488,831.70 : x - Step 2: Convert to fraction form
863,246.10/1,293,119.55 = 488,831.70/x - Step 3: Cross multiply
863,246.10x = 1,293,119.55 × 488,831.70 - Step 4: Simplify right side
863,246.10x = 632,117,827,929.74 - Step 5: Solve for x
x = 632,117,827,929.74/863,246.10 - Step 6: Final answer
x = 732,256.80
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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.