Finding the Fourth Proportional to 583,663.68, 805,456.44 and 315,391.68
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Solution
The fourth proportional to 583,663.68, 805,456.44 and 315,391.68 is: 435,240.82
Step by Step Solution
- Step 1: Write the proportion equation
583,663.68 : 805,456.44 = 315,391.68 : x - Step 2: Convert to fraction form
583,663.68/805,456.44 = 315,391.68/x - Step 3: Cross multiply
583,663.68x = 805,456.44 × 315,391.68 - Step 4: Simplify right side
583,663.68x = 254,034,259,778.42 - Step 5: Solve for x
x = 254,034,259,778.42/583,663.68 - Step 6: Final answer
x = 435,240.82
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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.