Finding the Fourth Proportional to 734,089.23, 1,013,089.68 and 411,820.20
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Solution
The fourth proportional to 734,089.23, 1,013,089.68 and 411,820.20 is: 568,337.99
Step by Step Solution
- Step 1: Write the proportion equation
734,089.23 : 1,013,089.68 = 411,820.20 : x - Step 2: Convert to fraction form
734,089.23/1,013,089.68 = 411,820.20/x - Step 3: Cross multiply
734,089.23x = 1,013,089.68 × 411,820.20 - Step 4: Simplify right side
734,089.23x = 417,210,794,635.54 - Step 5: Solve for x
x = 417,210,794,635.54/734,089.23 - Step 6: Final answer
x = 568,337.99
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1.5x scale
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.