Finding the Fourth Proportional to 889,346.94, 1,227,184.71 and 507,351.42
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Solution
The fourth proportional to 889,346.94, 1,227,184.71 and 507,351.42 is: 700,079.89
Step by Step Solution
- Step 1: Write the proportion equation
889,346.94 : 1,227,184.71 = 507,351.42 : x - Step 2: Convert to fraction form
889,346.94/1,227,184.71 = 507,351.42/x - Step 3: Cross multiply
889,346.94x = 1,227,184.71 × 507,351.42 - Step 4: Simplify right side
889,346.94x = 622,613,905,220.79 - Step 5: Solve for x
x = 622,613,905,220.79/889,346.94 - Step 6: Final answer
x = 700,079.89
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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.