Finding the Fourth Proportional to 771,270.12, 1,064,363.94 and 444,402.72
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Solution
The fourth proportional to 771,270.12, 1,064,363.94 and 444,402.72 is: 613,282.19
Step by Step Solution
- Step 1: Write the proportion equation
771,270.12 : 1,064,363.94 = 444,402.72 : x - Step 2: Convert to fraction form
771,270.12/1,064,363.94 = 444,402.72/x - Step 3: Cross multiply
771,270.12x = 1,064,363.94 × 444,402.72 - Step 4: Simplify right side
771,270.12x = 473,006,230,005.92 - Step 5: Solve for x
x = 473,006,230,005.92/771,270.12 - Step 6: Final answer
x = 613,282.19
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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.