Finding the Fourth Proportional to 514,831.20, 772,246.80 and 293,647.20
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Solution
The fourth proportional to 514,831.20, 772,246.80 and 293,647.20 is: 440,470.80
Step by Step Solution
- Step 1: Write the proportion equation
514,831.20 : 772,246.80 = 293,647.20 : x - Step 2: Convert to fraction form
514,831.20/772,246.80 = 293,647.20/x - Step 3: Cross multiply
514,831.20x = 772,246.80 × 293,647.20 - Step 4: Simplify right side
514,831.20x = 226,768,110,528.96 - Step 5: Solve for x
x = 226,768,110,528.96/514,831.20 - Step 6: Final answer
x = 440,470.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.