Finding the Fourth Proportional to 565,095.69, 779,831.15 and 310,447.08
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Solution
The fourth proportional to 565,095.69, 779,831.15 and 310,447.08 is: 428,416.47
Step by Step Solution
- Step 1: Write the proportion equation
565,095.69 : 779,831.15 = 310,447.08 : x - Step 2: Convert to fraction form
565,095.69/779,831.15 = 310,447.08/x - Step 3: Cross multiply
565,095.69x = 779,831.15 × 310,447.08 - Step 4: Simplify right side
565,095.69x = 242,096,301,858.31 - Step 5: Solve for x
x = 242,096,301,858.31/565,095.69 - Step 6: Final answer
x = 428,416.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.