Finding the Fourth Proportional to 747,653.49, 1,031,110.56 and 457,044.93
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Solution
The fourth proportional to 747,653.49, 1,031,110.56 and 457,044.93 is: 630,323.89
Step by Step Solution
- Step 1: Write the proportion equation
747,653.49 : 1,031,110.56 = 457,044.93 : x - Step 2: Convert to fraction form
747,653.49/1,031,110.56 = 457,044.93/x - Step 3: Cross multiply
747,653.49x = 1,031,110.56 × 457,044.93 - Step 4: Simplify right side
747,653.49x = 471,263,853,717.46 - Step 5: Solve for x
x = 471,263,853,717.46/747,653.49 - Step 6: Final answer
x = 630,323.89
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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.