Finding the Fourth Proportional to 700,228.68, 966,319.56 and 398,422.68
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Solution
The fourth proportional to 700,228.68, 966,319.56 and 398,422.68 is: 549,825.56
Step by Step Solution
- Step 1: Write the proportion equation
700,228.68 : 966,319.56 = 398,422.68 : x - Step 2: Convert to fraction form
700,228.68/966,319.56 = 398,422.68/x - Step 3: Cross multiply
700,228.68x = 966,319.56 × 398,422.68 - Step 4: Simplify right side
700,228.68x = 385,003,628,831.62 - Step 5: Solve for x
x = 385,003,628,831.62/700,228.68 - Step 6: Final answer
x = 549,825.56
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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.