Finding the Fourth Proportional to 713,731.11, 1,070,257.68 and 414,303.48
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Solution
The fourth proportional to 713,731.11, 1,070,257.68 and 414,303.48 is: 621,258.45
Step by Step Solution
- Step 1: Write the proportion equation
713,731.11 : 1,070,257.68 = 414,303.48 : x - Step 2: Convert to fraction form
713,731.11/1,070,257.68 = 414,303.48/x - Step 3: Cross multiply
713,731.11x = 1,070,257.68 × 414,303.48 - Step 4: Simplify right side
713,731.11x = 443,411,481,320.73 - Step 5: Solve for x
x = 443,411,481,320.73/713,731.11 - Step 6: Final answer
x = 621,258.45
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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.