Finding the Fourth Proportional to 673,831.18, 929,862.61 and 367,901.92
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Solution
The fourth proportional to 673,831.18, 929,862.61 and 367,901.92 is: 507,691.32
Step by Step Solution
- Step 1: Write the proportion equation
673,831.18 : 929,862.61 = 367,901.92 : x - Step 2: Convert to fraction form
673,831.18/929,862.61 = 367,901.92/x - Step 3: Cross multiply
673,831.18x = 929,862.61 × 367,901.92 - Step 4: Simplify right side
673,831.18x = 342,098,239,555.21 - Step 5: Solve for x
x = 342,098,239,555.21/673,831.18 - Step 6: Final answer
x = 507,691.32
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1.5x scale
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.