Finding the Fourth Proportional to 797,128.84, 1,100,030.58 and 439,432.84
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Solution
The fourth proportional to 797,128.84, 1,100,030.58 and 439,432.84 is: 606,413.34
Step by Step Solution
- Step 1: Write the proportion equation
797,128.84 : 1,100,030.58 = 439,432.84 : x - Step 2: Convert to fraction form
797,128.84/1,100,030.58 = 439,432.84/x - Step 3: Cross multiply
797,128.84x = 1,100,030.58 × 439,432.84 - Step 4: Simplify right side
797,128.84x = 483,389,561,856.25 - Step 5: Solve for x
x = 483,389,561,856.25/797,128.84 - Step 6: Final answer
x = 606,413.34
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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.