Finding the Fourth Proportional to 753,228.70, 1,039,202.71 and 426,497.06
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Solution
The fourth proportional to 753,228.70, 1,039,202.71 and 426,497.06 is: 588,422.75
Step by Step Solution
- Step 1: Write the proportion equation
753,228.70 : 1,039,202.71 = 426,497.06 : x - Step 2: Convert to fraction form
753,228.70/1,039,202.71 = 426,497.06/x - Step 3: Cross multiply
753,228.70x = 1,039,202.71 × 426,497.06 - Step 4: Simplify right side
753,228.70x = 443,216,902,090.80 - Step 5: Solve for x
x = 443,216,902,090.80/753,228.70 - Step 6: Final answer
x = 588,422.75
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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.