Finding the Fourth Proportional to 426,749.28, 635,595.87 and 424,686.79
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Solution
The fourth proportional to 426,749.28, 635,595.87 and 424,686.79 is: 632,524.02
Step by Step Solution
- Step 1: Write the proportion equation
426,749.28 : 635,595.87 = 424,686.79 : x - Step 2: Convert to fraction form
426,749.28/635,595.87 = 424,686.79/x - Step 3: Cross multiply
426,749.28x = 635,595.87 × 424,686.79 - Step 4: Simplify right side
426,749.28x = 269,929,169,767.56 - Step 5: Solve for x
x = 269,929,169,767.56/426,749.28 - Step 6: Final answer
x = 632,524.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.