Finding the Fourth Proportional to 702,903.31, 970,078.17 and 506,831.08
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Solution
The fourth proportional to 702,903.31, 970,078.17 and 506,831.08 is: 699,478.52
Step by Step Solution
- Step 1: Write the proportion equation
702,903.31 : 970,078.17 = 506,831.08 : x - Step 2: Convert to fraction form
702,903.31/970,078.17 = 506,831.08/x - Step 3: Cross multiply
702,903.31x = 970,078.17 × 506,831.08 - Step 4: Simplify right side
702,903.31x = 491,665,764,160.33 - Step 5: Solve for x
x = 491,665,764,160.33/702,903.31 - Step 6: Final answer
x = 699,478.52
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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.