Finding the Fourth Proportional to 747,682.07, 1,031,663.22 and 425,373.35
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Solution
The fourth proportional to 747,682.07, 1,031,663.22 and 425,373.35 is: 586,936.69
Step by Step Solution
- Step 1: Write the proportion equation
747,682.07 : 1,031,663.22 = 425,373.35 : x - Step 2: Convert to fraction form
747,682.07/1,031,663.22 = 425,373.35/x - Step 3: Cross multiply
747,682.07x = 1,031,663.22 × 425,373.35 - Step 4: Simplify right side
747,682.07x = 438,842,039,963.19 - Step 5: Solve for x
x = 438,842,039,963.19/747,682.07 - Step 6: Final answer
x = 586,936.69
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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.