Finding the Fourth Proportional to 776,806.68, 1,071,850.14 and 437,202.84
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Solution
The fourth proportional to 776,806.68, 1,071,850.14 and 437,202.84 is: 603,259.39
Step by Step Solution
- Step 1: Write the proportion equation
776,806.68 : 1,071,850.14 = 437,202.84 : x - Step 2: Convert to fraction form
776,806.68/1,071,850.14 = 437,202.84/x - Step 3: Cross multiply
776,806.68x = 1,071,850.14 × 437,202.84 - Step 4: Simplify right side
776,806.68x = 468,615,925,262.40 - Step 5: Solve for x
x = 468,615,925,262.40/776,806.68 - Step 6: Final answer
x = 603,259.39
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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.