Finding the Fourth Proportional to 865,009.63, 1,193,749.53 and 497,487.02
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Solution
The fourth proportional to 865,009.63, 1,193,749.53 and 497,487.02 is: 686,552.93
Step by Step Solution
- Step 1: Write the proportion equation
865,009.63 : 1,193,749.53 = 497,487.02 : x - Step 2: Convert to fraction form
865,009.63/1,193,749.53 = 497,487.02/x - Step 3: Cross multiply
865,009.63x = 1,193,749.53 × 497,487.02 - Step 4: Simplify right side
865,009.63x = 593,874,896,306.10 - Step 5: Solve for x
x = 593,874,896,306.10/865,009.63 - Step 6: Final answer
x = 686,552.93
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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.