Finding the Fourth Proportional to 734,212.74, 1,011,325.76 and 518,982.78
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Solution
The fourth proportional to 734,212.74, 1,011,325.76 and 518,982.78 is: 714,861.82
Step by Step Solution
- Step 1: Write the proportion equation
734,212.74 : 1,011,325.76 = 518,982.78 : x - Step 2: Convert to fraction form
734,212.74/1,011,325.76 = 518,982.78/x - Step 3: Cross multiply
734,212.74x = 1,011,325.76 × 518,982.78 - Step 4: Simplify right side
734,212.74x = 524,860,654,410.41 - Step 5: Solve for x
x = 524,860,654,410.41/734,212.74 - Step 6: Final answer
x = 714,861.82
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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.