Finding the Fourth Proportional to 1,769,027.70, 2,653,541.55 and 439,331.70
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Solution
The fourth proportional to 1,769,027.70, 2,653,541.55 and 439,331.70 is: 658,997.55
Step by Step Solution
- Step 1: Write the proportion equation
1,769,027.70 : 2,653,541.55 = 439,331.70 : x - Step 2: Convert to fraction form
1,769,027.70/2,653,541.55 = 439,331.70/x - Step 3: Cross multiply
1,769,027.70x = 2,653,541.55 × 439,331.70 - Step 4: Simplify right side
1,769,027.70x = 1,165,784,920,182.14 - Step 5: Solve for x
x = 1,165,784,920,182.14/1,769,027.70 - Step 6: Final answer
x = 658,997.55
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1.5x scale
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.